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, 2006 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: 28-03779 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: Darren G. Johnson Title: Vice President & Trust Officer Phone: (215) 721-2549 Signature, Place, and Date of Signing: /s/ Darren G. Johnson Souderton, PA May 03, 2006 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 Form13F Information Table Entry Total: 76 Form13F Information Table Value Total: $213,621 (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 ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- ABBOTT LABS COM 002824100 2440 57443 SH OTHER 57443 0 0 ADOBE SYS INC COM 00724F101 4411 126215 SH OTHER 126215 0 0 AETNA INC NEW COM 00817Y108 4987 101480 SH OTHER 101480 0 0 AIR PRODS & CHEMS INC COM 009158106 4153 61810 SH OTHER 61390 420 0 ALCOA INC COM 013817101 353 11565 SH OTHER 11565 0 0 ALLIED IRISH BKS P L C SPON ADR ORD 019228402 219 4608 SH SOLE 4608 0 0 ALLSTATE CORP COM 020002101 3890 74647 SH OTHER 74647 0 0 ALLTEL CORP COM 020039103 1537 23735 SH OTHER 22615 1120 0 AMGEN INC COM 031162100 3191 43865 SH OTHER 42840 1025 0 ANADARKO PETE CORP COM 032511107 2227 22050 SH OTHER 22050 0 0 APPLE COMPUTER INC COM 037833100 4730 75415 SH OTHER 75415 0 0 AT&T INC COM 00206R102 918 33944 SH OTHER 33944 0 0 BANK OF AMERICA CORPORATION COM 060505104 4384 96275 SH OTHER 95930 345 0 BB&T CORP COM 054937107 973 24831 SH OTHER 24831 0 0 BELLSOUTH CORP COM 079860102 372 10740 SH OTHER 9450 1290 0 BEST BUY INC COM 086516101 4340 77595 SH OTHER 77595 0 0 BP PLC SPONSORED ADR 055622104 225 3257 SH SOLE 2202 1055 0 CATERPILLAR INC DEL COM 149123101 3446 47989 SH OTHER 47989 0 0 CHEVRON CORP NEW COM 166764100 335 5773 SH OTHER 5773 0 0 CISCO SYS INC COM 17275R102 906 41800 SH OTHER 36930 4870 0 CIT GROUP INC COM 125581108 4132 77210 SH OTHER 77210 0 0 CITIGROUP INC COM 172967101 2284 48349 SH OTHER 48069 280 0 COCA COLA CO COM 191216100 345 8235 SH OTHER 8235 0 0 COMCAST CORP NEW CL A SPL 20030N200 639 24448 SH OTHER 24448 0 0 COMMUNITY BKS INC MILLERSBUR COM 203628102 371 13053 SH OTHER 13053 0 0 CONOCOPHILLIPS COM 20825C104 4320 68406 SH OTHER 66951 1455 0 E M C CORP MASS COM 268648102 1379 101199 SH OTHER 101199 0 0 EATON CORP COM 278058102 476 6519 SH SOLE 6519 0 0 EBAY INC COM 278642103 1687 43260 SH OTHER 43260 0 0 EXELON CORP COM 30161N101 5537 104666 SH OTHER 104666 0 0 EXXON MOBIL CORP COM 30231G102 4406 72398 SH OTHER 72192 206 0 FEDEX CORP COM 31428X106 288 2549 SH SOLE 2134 415 0 FRANKLIN RES INC COM 354613101 2925 31040 SH OTHER 31040 0 0 GENERAL ELECTRIC CO COM 369604103 4287 123274 SH OTHER 122409 865 0 GENERAL MLS INC COM 370334104 1814 35790 SH OTHER 34540 1250 0 GLAXOSMITHKLINE PLC SPONSORED ADR 37733W105 4661 89105 SH OTHER 89105 0 0 GOLDMAN SACHS GROUP INC COM 38141G104 4940 31470 SH OTHER 31360 110 0 HARLEYSVILLE NATL CORP PA COM 412850109 4672 205438 SH OTHER 205438 0 0 HARLEYSVILLE SVGS FINL CORP COM 412865107 265 15186 SH OTHER 15186 0 0 HONEYWELL INTL INC COM 438516106 3306 77295 SH OTHER 76730 565 0 INTEL CORP COM 458140100 891 45807 SH OTHER 41762 4045 0 INTERNATIONAL BUSINESS MACHS COM 459200101 1447 17548 SH OTHER 17443 105 0 JOHNSON & JOHNSON COM 478160104 3237 54661 SH OTHER 52396 2265 0 JP MORGAN CHASE & CO COM 46625H100 263 6323 SH OTHER 4748 1575 0 KINDER MORGAN INC KANS COM 49455P101 1009 10965 SH OTHER 9690 1275 0 KNBT BANCORP INC COM 482921103 230 14045 SH SOLE 14045 0 0 L-3 COMMUNICATIONS HLDGS INC COM 502424104 607 7075 SH OTHER 7050 25 0 MCGRAW HILL COS INC COM 580645109 5336 92610 SH OTHER 92610 0 0 MEDTRONIC INC COM 585055106 1608 31685 SH OTHER 30255 1430 0 MERCK & CO INC COM 589331107 650 18461 SH OTHER 18461 0 0 MICROSOFT CORP COM 594918104 288 10582 SH OTHER 6797 3785 0 MORGAN STANLEY COM NEW 617446448 429 6833 SH OTHER 6013 820 0 MOTOROLA INC COM 620076109 2285 99723 SH OTHER 99723 0 0 NATIONAL PENN BANCSHARES INC COM 637138108 414 19462 SH OTHER 19462 0 0 NIKE INC CL B 654106103 1732 20350 SH OTHER 20350 0 0 NORFOLK SOUTHERN CORP COM 655844108 2691 49775 SH OTHER 49775 0 0 PARKER HANNIFIN CORP COM 701094104 290 3600 SH SOLE 3600 0 0 PEPSICO INC COM 713448108 4629 80097 SH OTHER 79822 275 0 PNC FINL SVCS GROUP INC COM 693475105 1150 17084 SH OTHER 15889 1195 0 PPL CORP COM 69351T106 5497 186974 SH OTHER 186974 0 0 PROCTER & GAMBLE CO COM 742718109 5756 99878 SH OTHER 99788 90 0 PUBLIC SVC ENTERPRISE GROUP COM 744573106 1690 26396 SH OTHER 26396 0 0 QUALCOMM INC COM 747525103 5447 107632 SH OTHER 107632 0 0 ROYAL BANCSHARES PA INC CL A 780081105 298 12134 SH SOLE 12134 0 0 SCHLUMBERGER LTD COM 806857108 4376 34570 SH OTHER 34015 555 0 STARBUCKS CORP COM 855244109 4539 120630 SH OTHER 118290 2340 0 STRYKER CORP COM 863667101 1788 40315 SH OTHER 40190 125 0 SYSCO CORP COM 871829107 398 12420 SH OTHER 12090 330 0 TEXAS INSTRS INC COM 882508104 3071 94575 SH OTHER 94575 0 0 UNITED TECHNOLOGIES CORP COM 913017109 5163 89070 SH OTHER 89070 0 0 UNIVEST CORP PA COM 915271100 26034 1022560 SH OTHER 1022560 0 0 VALERO ENERGY CORP NEW COM 91913Y100 2793 46720 SH OTHER 46630 90 0 VERIZON COMMUNICATIONS COM 92343V104 2597 76259 SH OTHER 76259 0 0 WACHOVIA CORP 2ND NEW COM 929903102 6456 115175 SH OTHER 114325 850 0 WALGREEN CO COM 931422109 3153 73105 SH OTHER 72985 120 0 WELLS FARGO & CO NEW COM 949746101 4608 72152 SH OTHER 71797 355 0