Vanguard Variable Insurance Funds N-CSRSCertified semi-annual shareholder report (management investment company)

Exhibit 99.906CERT

Certification Pursuant to 18 U.S.C. Section 1350, 

As Adopted Pursuant to 

Section 906 of the Sarbanes-Oxley Act of 2002

Name of Issuer: Vanguard Variable Insurance Funds

In connection with the Report on Form N-CSR of the above-named issuer that is accompanied by this certification, the undersigned hereby certifies, to his knowledge, that:

Date:      August 21, 2024

Certification Pursuant to 18 U.S.C. Section 1350, 

As Adopted Pursuant to 

Section 906 of the Sarbanes-Oxley Act of 2002

Name of Issuer: Vanguard Variable Insurance Funds

In connection with the Report on Form N-CSR of the above-named issuer that is accompanied by this certification, the undersigned hereby certifies, to her knowledge, that:

Date:      August 21, 2024