Chimera Investment (CIM) S-3ASR Automatic shelf registration

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the reference to our firm under the caption “Experts” in this Registration Statement (Form S-3) and related Prospectus of Chimera Investment Corporation (the “Company”) for the registration of its common stock, preferred stock, warrants, and debt securities and to the incorporation by reference therein of our reports dated February 18, 2021, with respect to the consolidated financial statements of the Company, and the effectiveness of internal control over financial reporting of the Company, included in its Annual Report (Form 10-K) for the year ended December 31, 2020, filed with the Securities and Exchange Commission.

/s/ Ernst & Young LLP

New York, NY

December 2, 2021