Exhibit 99.906.CERT

Certification Pursuant to Rule 30a-2(b) under the 1940 Act and Section 906 of the Sarbanes-Oxley Act

I, Arthur P. Steinmetz, Principal Executive Officer of Oppenheimer ETF Trust (the “Registrant”), certify that:

1. The Form N-CSR of the Registrant (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

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

Date:   8/17/2018	/s/ Arthur P. Steinmetz
	Arthur P. Steinmetz
	Principal Executive Officer

I, Stephanie Bullington, Principal Financial Officer of Oppenheimer ETF Trust (the “Registrant”), certify that:

1. The Form N-CSR of the Registrant (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

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

Date:   8/17/2018	/s/ Stephanie Bullington
	Stephanie Bullington
	Principal Financial Officer