Exhibit 23.1

| KPMG LLP |
| Aon Center |
| Suite 5500 |
| 200 E. Randolph Street |
| Chicago, IL 60601-6436 |
Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the registration statements (Nos. 333-214445, 333-191915, 333-219376, 333-249400, and 333-274705) on Form S-8 of our reports dated July 18, 2024, with respect to the consolidated financial statements of AAR CORP. and the effectiveness of internal control over financial reporting.
/s/ KPMG LLP
Chicago, Illinois
July 18, 2024
KPMG LLP, a Delaware limited liability partnership and a member firm of
the KPMG global organization of independent member firms affiliated with
KPMG International Limited, a private English company limited by guarantee.