Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the registration statements (No. 333-267099) on Form S-3ASR and (No. 333-212815) on Form S-8 of our reports dated February 23, 2024, with respect to the consolidated financial statements of Kinsale Capital Group, Inc. and the effectiveness of internal control over financial reporting.

/s/ KPMG LLP

Richmond, Virginia

February 23, 2024