UNITED STATES
                                  -------------
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 13F

                               FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: March 31, 2011

Check here if Amendment [ ]; Amendment Number:

This Amendment (Check only one): [ ] is a restatement.
                                 [ ] adds new holdings entries.

Institutional Investment Manager:

Name:                 United Fire & Casualty Company
Address:              118 Second Avenue SE
                      Cedar Rapids  IA  52401

Form 13F File Number: 28-6427

The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of the Reporting Manager:

Name:  Kevin W. Helbing
Title: Controller
Phone: 319 286-2533

Signature, Place and Date of Signing:

/s/ Kevin W. Helbing       Cedar Rapids,     IA       5/11/2011
-----------------------
Kevin W. Helbing

Report Type (Check only one.):

[X]    13F HOLDINGS REPORT. (Check here if all holdings of this reporting
       manager are reported in this report.)

[ ]    13F NOTICE. (Check here if no holdings reported are in this report,
       and all holdings are reported by other reporting manager(s).)

[ ]    13F COMBINATION REPORT. (Check here if a portion of the holdings for
       this reporting manager are reported in this report and a portion are
       reported by other reporting manager(s).)



FORM 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers: 0

Form 13F Information Table Entry Total: 100

Form 13F Information Table Value Total: $ 161,598 (in thousands)

List of Other Included Managers: NONE



FORM 13F INFORMATION TABLE



                                                                                                            VOTING AUTHORITY
                                                               VALUE    SHARES/ SH/ PUT/ INVSTMNT  OTHER   -------------------
          NAME OF ISSUER           TITLE OF CLASS    CUSIP    (x $1000) PRN AMT PRN CALL DSCRETN  MANAGERS  SOLE   SHARED NONE
---------------------------------- -------------- ----------- --------- ------- --- ---- -------- -------- ------- ------ ----
                                                                                         
AT&T Inc                           Common         00206R-10-2     3,112 101,660 SH         Sole            101,660
Abbott Laboratories                Common         002824-10-0    11,036 225,000 SH         Sole            225,000
Agilysys Inc                       Common         00847J-10-5     1,212 211,187 SH         Sole            211,187
Alliant Energy Corporation         Common         018802-10-8     4,757 122,200 SH         Sole            122,200
Altera Corp                        Common         021441-10-0       220   5,000 SH         Sole              5,000
American Strategic Inc             Common         030099-10-5       230  50,840 SH         Sole             50,840
Amerisourcebergen Corp             Common         03073E-10-5       237   6,000 SH         Sole              6,000
BCE Inc                            Common         05534B-76-0       539  14,823 SH         Sole             14,823
BRE Properties Inc                 Common         05564E-10-6       849  18,000 SH         Sole             18,000
Bank of America Corporation        Common         060505-10-4     1,866 140,000 SH         Sole            140,000
Becton Dickinson and Co            Common         075887-10-9       159   2,000 SH         Sole              2,000
Bed Bath & Beyond Inc              Common         075896-10-0       290   6,000 SH         Sole              6,000
Bemis Company Inc                  Common         081437-10-5     1,030  31,400 SH         Sole             31,400
Boeing Company                     Common         097023-10-5     5,545  75,000 SH         Sole             75,000
CF Industral Inc Holdings          Common         125269-10-0       417   3,046 SH         Sole              3,046
CIT Group Inc                      Common         125581-80-1     2,343  55,065 SH         Sole             55,065
Campbell Soup Co                   Common         134429-10-9       331  10,000 SH         Sole             10,000
Cincinnati Financial Corp          Common         172062-10-1    10,502 320,276 SH         Sole            320,276
Coca-Cola Co/The                   Common         191216-10-0       265   4,000 SH         Sole              4,000
Colgate-Palmolive Co               Common         194162-10-3       323   4,000 SH         Sole              4,000
ConocoPhillips                     Common         20825C-10-4       803  10,059 SH         Sole             10,059
Consolidated Edison Inc            Common         209115-10-4        76   1,500 SH         Sole              1,500
Cummins Inc                        Common         231021-10-6     8,439  76,980 SH         Sole             76,980
Danaher Corp                       Common         235851-10-2       208   4,000 SH         Sole              4,000
Dean Foods Company                 Common         242370-10-4        80   8,000 SH         Sole              8,000
Deere & Company                    Common         244199-10-5     1,938  20,000 SH         Sole             20,000
Dollar Tree Inc                    Common         256746-10-8       167   3,000 SH         Sole              3,000
Dow Chemical Company               Common         260543-10-3     6,418 170,000 SH         Sole            170,000
Duke Energy Corporation            Common         26441C-10-5     2,690 148,192 SH         Sole            148,192
Emerson Electric Co                Common         291011-10-4       736  12,600 SH         Sole             12,600
Express Scripts Inc                Common         302182-10-0       222   4,000 SH         Sole              4,000
Exxon Mobil Corporation            Common         30231G-10-2     3,365  40,000 SH         Sole             40,000
Factset Research Systems Inc       Common         303075-10-5       314   3,000 SH         Sole              3,000
Federal-Mogul Corporation          Common         313549-40-4       958  38,457 SH         Sole             38,457
Fidelity National Information      Common         31620M-10-6       319   9,758 SH         Sole              9,758
Fidelity NationalFinancial Inc     Common         31620R-10-5       314  22,201 SH         Sole             22,201
Frontier Communications Corp       Common         35906A-10-8       110  13,439 SH         Sole             13,439
Arthur J Gallagher & Co            Common         363576-10-9       314  10,321 SH         Sole             10,321
General Dynamics Corp              Common         369550-10-8       383   5,000 SH         Sole              5,000
General Electric Company           Common         369604-10-3     5,514 275,000 SH         Sole            275,000
GenOn Energy Inc                   Common         37244E-10-7       306  80,347 SH         Sole             80,347
Gildan Activewear Inc              Common         375916-10-3        49   1,500 SH         Sole              1,500
H J Heinz Company                  Common         423074-10-3     2,197  45,000 SH         Sole             45,000
Honeywell International Inc        Common         438516-10-6     2,269  38,000 SH         Sole             38,000
Hospira Inc                        Common         441060-10-0       883  16,000 SH         Sole             16,000
ITT Corp                           Common         450911-10-2       150   2,500 SH         Sole              2,500
Intel Corporation                  Common         458140-10-0     1,211  60,000 SH         Sole             60,000





                                                                                         
Intl Business Machines Corp        Common         459200-10-1       489   3,000 SH         Sole              3,000
JPMorgan Chase & Co                Common         46625H-10-0     2,662  57,736 SH         Sole             57,736
Jacobs Engineering Group Inc       Common         469814-10-7        51   1,000 SH         Sole              1,000
Johnson & Johnson                  Common         478160-10-4     2,252  38,000 SH         Sole             38,000
Jos A Bank Clothiers Inc           Common         480838-10-1        76   1,500 SH         Sole              1,500
Linear Technology Corp             Common         535678-10-6       135   4,000 SH         Sole              4,000
Lowes Cos Inc                      Common         548661-10-7       449  17,000 SH         Sole             17,000
Mccormick & Co-Non Vtg Shrs        Common         579780-20-6        96   2,000 SH         Sole              2,000
McDonalds Corp                     Common         580135-10-1       380   5,000 SH         Sole              5,000
Medtronic Inc                      Common         585055-10-6       984  25,000 SH         Sole             25,000
Merck & Co Inc                     Common         58933Y-10-5       190   5,767 SH         Sole              5,767
Metlife Inc                        Common         59156R-10-8        81   1,800 SH         Sole              1,800
National Presto Inds Inc           Common         637215-10-4       113   1,000 SH         Sole              1,000
Newell Rubbermaid Inc              Common         651229-10-6       876  45,766 SH         Sole             45,766
Nicor Inc                          Common         654086-10-7     2,148  40,000 SH         Sole             40,000
Nike Inc -Cl B                     Common         654106-10-3       227   3,000 SH         Sole              3,000
Novellus Systems Inc               Common         670008-10-1       186   5,000 SH         Sole              5,000
Old Republic International Cor     Common         680223-10-4     3,232 254,690 SH         Sole            254,690
Omnicom Group                      Common         681919-10-6       147   3,000 SH         Sole              3,000
Oracle Corp                        Common         68389X-10-5       234   7,000 SH         Sole              7,000
PepsiCo Inc                        Common         713448-10-8     1,481  23,000 SH         Sole             23,000
Pfizer Inc                         Common         717081-10-3       812  40,000 SH         Sole             40,000
Piper Jaffray Cos                  Common         724078-10-0       345   8,329 SH         Sole              8,329
Plains All Amer Pipeline Lp        Common         726503-10-5       191   3,000 SH         Sole              3,000
Procter & Gamble Company           Common         742718-10-9     4,682  76,000 SH         Sole             76,000
Progress Energy Inc                Common         743263-10-5       883  19,131 SH         Sole             19,131
Progress Energy Inc CVO            Common         743263-AA-3         -  15,000 SH         Sole             15,000
QCR Holdings Inc                   Common         74727A-10-4       699  83,181 SH         Sole             83,181
Roomstore Inc                      Common         77638R-10-8         4   6,549 SH         Sole              6,549
Royal Dutch Shell ADR              Common         780259-20-6     2,914  40,000 SH         Sole             40,000
Schlumberger Limited               Common         806857-10-8     2,798  30,000 SH         Sole             30,000
JM Smucker Co/The                  Common         832696-40-5       286   4,000 SH         Sole              4,000
Spectra Energy Corporation         Common         847560-10-9     2,558  94,096 SH         Sole             94,096
Stryker Corp                       Common         863667-10-1       365   6,000 SH         Sole              6,000
Teva Pharmaceutical Industries Ltd Common         881624-20-9        90   1,802 SH         Sole              1,802
Texas Instruments Inc              Common         882508-10-4       173   5,000 SH         Sole              5,000
Tractor Supply Company             Common         892356-10-6       239   4,000 SH         Sole              4,000
Treehouse Foods Inc                Common         89469A-10-4       549   9,652 SH         Sole              9,652
U S Bancorp                        Common         902973-30-4    18,633 704,984 SH         Sole            704,984
Union Pacific Corp                 Common         907818-10-8       246   2,500 SH         Sole              2,500
United Continental Holdings Inc    Common         910047-10-9         1      51 SH         Sole                 51
VF Corp                            Common         918204-10-8       296   3,000 SH         Sole              3,000
Varian Medical Systems Inc         Common         92220P-10-5        68   1,000 SH         Sole              1,000
Vectren Corporation                Common         92240G-10-1       725  26,658 SH         Sole             26,658
Verizon Communications Inc         Common         92343V-10-4     2,158  55,997 SH         Sole             55,997
Wal-Mart Stores Inc                Common         931142-10-3       182   3,500 SH         Sole              3,500
Walgreen Co                        Common         931422-10-9       401  10,000 SH         Sole             10,000
Waste Management Inc               Common         94106L-10-9        75   2,000 SH         Sole              2,000
Wells Fargo & Company              Common         949746-10-1     8,089 255,086 SH         Sole            255,086
Windstream Corporation             Common         97381W-10-4       167  12,942 SH         Sole             12,942
Wintrust Financial Corporation     Common         97650W-10-8     8,472 230,523 SH         Sole            230,523
Xcel Energy, Inc.                  Common         98389B-10-0     2,150  90,000 SH         Sole             90,000
Montpelier Re Holdings Ltd         Common         G62185-10-6       162   9,189 SH         Sole              9,189
Report Summary                      Data Records  100           161,598         0 other managers on whose behalf report is filed