Exhibit (b)
EX-99.906CERT
SECTION 906 CERTIFICATIONS
Vernon Barback, President and
Chief Executive Officer of Russell Investment Funds, a Massachusetts Business
Trust (the “registrant”), and Ross Erickson, Treasurer, Chief Accounting
Officer and Chief Financial Officer of the registrant, each certify that:
1. The registrant’s
periodic report on Form N-CSR for the period ended June 30, 2026 (the “Form
N-CSR”) fully complies with the requirements of Section 13(a) or Section 15(d)
of the Securities Exchange Act of 1934, as amended, as applicable; and
2. The information
contained in the Form N-CSR fairly presents, in all material respects, the
financial condition and results of operations of the registrant.
A signed original of this written
statement required by Section 906, or other document authenticating,
acknowledging, or otherwise adopting the signatures that appear in typed form
within the electronic version of this written statement required by Section
906, has been provided to Russell Investment Funds and will be retained by Russell
Investment Funds and furnished to the Securities and Exchange Commission or its
staff upon request.
Russell Investment Funds
By: /s/ Vernon Barback
Vernon Barback
President &
Chief Executive Officer (Principal Executive Officer), Russell Investment Funds
By: /s/ Ross Erickson
Ross Erickson
Treasurer,
Chief Accounting Officer (Principal Accounting Officer) and Chief Financial
Officer (Principal Financial Officer), Russell Investment Funds
Date: August 13, 2026
*These certifications are being furnished
solely pursuant to 18 U.S.C. Section 1350 and are not being filed as part of
this Form N-CSR or as a separate disclosure document.