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 Explorer Fund

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:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act
of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition
and results of operations of the issuer.

Date:	December 18, 2018	/s/ Mortimer J. Buckley
		Mortimer J. Buckley
		Chief Executive Officer

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 Explorer Fund

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:

1.The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities
Exchange Act of 1934; and

2.The information contained in the Report fairly presents, in all material respects, the financial
condition and results of operations of the issuer.

Date:	December 18, 2018	/s/ Thomas J Higgins
		Thomas J. Higgins
		Chief Financial Officer