UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM N-PX ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED MANAGEMENT INVESTMENT COMPANIES INVESTMENT COMPANY ACT FILE NUMBER: 811-05962 NAME OF REGISTRANT: VANGUARD VARIABLE INSURANCE FUNDS ADDRESS OF REGISTRANT: PO BOX 2600, VALLEY FORGE, PA 19482 NAME AND ADDRESS OF AGENT FOR SERVICE: ANNE E. ROBINSON PO BOX 876 VALLEY FORGE, PA 19482 REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE:(610) 669-1000 DATE OF FISCAL YEAR END: DECEMBER 31 DATE OF REPORTING PERIOD: JULY 1, 2022 - JUNE 30, 2023 ******************************* FORM N-Px REPORT ******************************* ICA File Number: 81105962W Reporting Period: 07/01/2022 - 06/30/2023 VANGUARD VARIABLE INSURANCE FUNDS Each investment advisor's votes cast are shown separately below. Sections without an investment advisor listed reflect votes cast by the Fund. The votes reported do not reflect any votes cast pursuant to a regulatory requirement. =========== VANGUARD VARIABLE INSURANCE FUND - TOTAL INTERNATIONAL ============ =========== STOCK MARKET INDEX PORTFOLIO ============ There is no proxy voting activity for the fund, as the fund did not hold any votable positions during the reporting period. ========== END NPX REPORT SIGNATURES Pursuant to the requirements of the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. VANGUARD VARIABLE INSURANCE FUNDS By: /s/Mortimer J. Buckley Mortimer J. Buckley* Chief Executive Officer, President, and Trustee Date: August 28, 2023 *By: /s/Anne E. Robinson Anne E. Robinson, pursuant to a Power of Attorney filed on July 21, 2023 (see File Number 33-53683) and to a Power of Attorney filed on March 29, 2023 (see File Number 2-11444), Incorporated by Reference.