Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the 2026 Equity Incentive Plan of Impinj, Inc. of our reports dated February 9, 2026, with respect to the consolidated financial statements of Impinj, Inc. and the effectiveness of internal control over financial reporting of Impinj, Inc. included in its Annual Report (Form 10-K) for the year ended December 31, 2025, filed with the Securities and Exchange Commission.

/s/ Ernst & Young LLP

Seattle, Washington

May 28, 2026