L
- LA as Subject
- La Raza
- Laboratory for Molecular Robotics
- Laboratory Safety
- LAC+USC Medical Center
- Lacrosse, USC Men's
- Lambda Alumni Association
- Lambda Theta Phi
- Language Academy
- Language Center
- Latin American Studies
- Latin American Studies Initiative
- Latina/o Student Assembly
- Latino Business Student Association
- Latino/a Social Work Caucus
- Latter-Day Saint Student Association
- Law and Philosophy, USC Center
- Law Library
- Law, Gould School of
- LeaderShape, USC
- Learning Community Program
- Leavey Library
- Lebanese Club
- Lesbian, Gay, Bisexual, Transgender and Questioning Peer Mentor Program
- Lesbian, Gay, Bisexual, Transgender Resource Center
- LGBTQ Faculty and Staff Alliance
- Libraries, USC
- Library Catalogs
- Linguistics (LING)
- Linux User Group, USC
- Loker Hydrocarbon Research Institute
- Los Angeles Caregiver Resource Center
- Lost and Found
- Lusk Center for Real Estate Development
- Lyon Center Recreation Facility