Exhibit 99.906CERT

Exhibit 13(b)

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES OXLEY ACT OF 2002

I, Joanna Gallegos, President (Principal Executive Officer) of BondBloxx ETF Trust (the “Registrant”), certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

1. The Form N-CSR of the Registrant for the semi-annual period ended April 30, 2023, as filed with the Securities and Exchange Commission on the date hereof (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:	June 29, 2023	/s/ Joanna Gallegos
		Joanna Gallegos, President
		(Principal Executive Officer)

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES OXLEY ACT OF 2002

I, Tony Kelly, Treasurer (Principal Financial Officer) of BondBloxx ETF Trust (the “Registrant”), certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

1. The Form N-CSR of the Registrant for the semi-annual period ended April 30, 2023 (the “Report as filed with the Securities and Exchange Commission on the date hereof (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:	June 29, 2023	/s/ Tony Kelly
		Tony Kelly, Treasurer
		(Principal Financial Officer)