Olin Library may refer to:
Libraries named after Stephen Olin:
- Olin Library at Wesleyan University
Libraries named after John M. Olin:
- Olin Library at Cornell University Library
- Olin Library at Washington University Libraries
Libraries named after Franklin W. Olin:
- The library at Olin College of Engineering
- Olin Library at Rollins College
- F. W. Olin Library at Mills College
- Olin Science Library at Colby College