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 Filing this Report: Name: Univest National Bank and Trust Co. Address: 14 North Main Street Souderton, PA 18964 13F File Number: 028-03779 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 Reporting Manager: Name: Gerald L. Hill Title: Corporate Trust Officer Phone: (215) 703-4362 Signature, Place, and Date of Signing: /s/ Gerald Hill Souderton, PA May 05, 2011 Report Type (Check only one.): [ X] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 71 Form 13F Information Table Value Total: $163,481 (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional managers with respect to which this report is filed, other than the manager filing this report. NONE FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- 3M CO COM 88579Y101 2500 26739 SH OTHER 26739 0 0 ABBOTT LABS COM 002824100 1874 38201 SH OTHER 38201 0 0 ADOBE SYS INC COM 00724F101 2497 75297 SH OTHER 75297 0 0 AETNA INC NEW COM 00817Y108 1675 44745 SH OTHER 44745 0 0 AIR PRODS & CHEMS INC COM 009158106 1883 20882 SH OTHER 20882 0 0 ALLSTATE CORP COM 020002101 2708 85207 SH OTHER 85207 0 0 AMERISOURCEBERGEN CORP COM 03073E105 1944 49128 SH OTHER 49128 0 0 ANADARKO PETE CORP COM 032511107 3074 37519 SH OTHER 37519 0 0 APACHE CORP COM 037411105 3040 23224 SH OTHER 23224 0 0 APPLE INC COM 037833100 3973 11401 SH OTHER 11401 0 0 AT&T INC COM 00206R102 2658 86840 SH OTHER 86840 0 0 BANK OF AMERICA CORPORATION COM 060505104 184 13826 SH SOLE 13826 0 0 BB&T CORP COM 054937107 551 20086 SH OTHER 20086 0 0 BECTON DICKINSON & CO COM 075887109 1730 21731 SH OTHER 21731 0 0 BUCKEYE PARTNERS L P UNIT LTD PARTN 118230101 200 3150 SH OTHER 3150 0 0 CAPITAL ONE FINL CORP COM 14040H105 2716 52265 SH OTHER 52265 0 0 CATERPILLAR INC DEL COM 149123101 2566 23046 SH OTHER 23046 0 0 CHEVRON CORP NEW COM 166764100 365 3392 SH OTHER 3392 0 0 CISCO SYS INC COM 17275R102 1456 84873 SH OTHER 84873 0 0 COCA COLA CO COM 191216100 287 4330 SH OTHER 4330 0 0 COMCAST CORP NEW CL A SPL 20030N200 2171 93483 SH OTHER 93483 0 0 CONOCOPHILLIPS COM 20825C104 3043 38105 SH OTHER 38105 0 0 DISNEY WALT CO COM DISNEY 254687106 2405 55820 SH OTHER 55820 0 0 E M C CORP MASS COM 268648102 3292 123961 SH OTHER 123961 0 0 EATON CORP COM 278058102 702 12668 SH SOLE 12668 0 0 ENTERGY CORP NEW COM 29364G103 1760 26182 SH OTHER 26182 0 0 EXELON CORP COM 30161N101 2071 50229 SH OTHER 50229 0 0 EXXON MOBIL CORP COM 30231G102 5081 60400 SH OTHER 60400 0 0 FIRST NIAGARA FINL GP INC COM 33582V108 210 15493 SH SOLE 15493 0 0 FRANKLIN RES INC COM 354613101 2784 22255 SH OTHER 22255 0 0 FREEPORT-MCMORAN COPPER & GO COM 35671D857 2168 39022 SH OTHER 39022 0 0 GENERAL ELECTRIC CO COM 369604103 352 17535 SH OTHER 17535 0 0 GENERAL MLS INC COM 370334104 2698 73821 SH OTHER 73821 0 0 GILEAD SCIENCES INC COM 375558103 1749 41175 SH OTHER 41175 0 0 HALLIBURTON CO COM 406216101 3521 70638 SH OTHER 70638 0 0 HARLEYSVILLE SVGS FINL CORP COM 412865107 164 10836 SH OTHER 10836 0 0 HEWLETT PACKARD CO COM 428236103 2645 64549 SH OTHER 64549 0 0 HOME DEPOT INC COM 437076102 2423 65383 SH OTHER 65383 0 0 HONEYWELL INTL INC COM 438516106 2548 42672 SH OTHER 42672 0 0 INTEL CORP COM 458140100 2699 133761 SH OTHER 133761 0 0 INTERNATIONAL BUSINESS MACHS COM 459200101 3187 19546 SH OTHER 19546 0 0 JOHNSON & JOHNSON COM 478160104 2041 34453 SH OTHER 34453 0 0 JOHNSON CTLS INC COM 478366107 1592 38292 SH OTHER 38292 0 0 JPMORGAN CHASE & CO COM 46625H100 3108 67411 SH OTHER 67411 0 0 KIMBERLY CLARK CORP COM 494368103 2457 37640 SH OTHER 37640 0 0 MCDONALDS CORP COM 580135101 2333 30664 SH OTHER 30664 0 0 MERCK & CO INC NEW COM 58933Y105 325 9837 SH OTHER 9837 0 0 MORGAN STANLEY COM NEW 617446448 2424 88709 SH OTHER 88709 0 0 NIKE INC CL B 654106103 1956 25839 SH OTHER 25839 0 0 NORFOLK SOUTHERN CORP COM 655844108 2673 38595 SH OTHER 38595 0 0 ORACLE CORP COM 68389X105 3148 94146 SH OTHER 94146 0 0 PARKER HANNIFIN CORP COM 701094104 511 5400 SH SOLE 5400 0 0 PEPSICO INC COM 713448108 2253 34973 SH OTHER 34973 0 0 PNC FINL SVCS GROUP INC COM 693475105 745 11828 SH OTHER 11828 0 0 POTASH CORP SASK INC COM 73755L107 1831 31079 SH OTHER 31079 0 0 POWERSHARES ETF TRUST FINL PFD PTFL 73935X229 397 21900 SH SOLE 21900 0 0 PPL CORP COM 69351T106 1656 65451 SH OTHER 65451 0 0 PROCTER & GAMBLE CO COM 742718109 2642 42890 SH OTHER 42890 0 0 QUALCOMM INC COM 747525103 3705 67566 SH OTHER 67566 0 0 SCHLUMBERGER LTD COM 806857108 3138 33649 SH OTHER 33649 0 0 SELECTIVE INS GROUP INC COM 816300107 462 26728 SH SOLE 26728 0 0 STATE STR CORP COM 857477103 2704 60178 SH OTHER 60178 0 0 STRYKER CORP COM 863667101 1367 22480 SH OTHER 22480 0 0 SYSCO CORP COM 871829107 2659 95994 SH OTHER 95994 0 0 TEVA PHARMACEUTICAL INDS LTD ADR 881624209 1879 37462 SH OTHER 37462 0 0 UNION PAC CORP COM 907818108 217 2202 SH SOLE 2202 0 0 UNITED TECHNOLOGIES CORP COM 913017109 2541 30014 SH OTHER 30014 0 0 UNIVEST CORP PA COM 915271100 19362 1092677 SH OTHER 1092677 0 0 VERIZON COMMUNICATIONS INC COM 92343V104 2475 64229 SH OTHER 64229 0 0 WASTE MGMT INC DEL COM 94106L109 2394 64119 SH OTHER 64119 0 0 WELLS FARGO & CO NEW COM 949746101 2932 92454 SH OTHER 92454 0 0