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 Chimera Investment Corporation Inducement Award Plan of Chimera Investment Corporation of our reports dated February 19, 2025, with respect to the consolidated financial statements of Chimera Investment Corporation and the effectiveness of internal control over financial reporting of Chimera Investment Corporation included in its Annual Report (Form 10-K) for the year ended December 31, 2024, filed with the Securities and Exchange Commission.

/s/ Ernst & Young LLP

New York, New York

October 1, 2025