Saint Landry may refer to:
- Landry of Sées (Saint Landericus or Saint Landry)
- Landry of Paris (Saint Landericus of Paris)
- Landry of Metz (Saint Landericus of Soignies), see Abbo II of Metz
- St. Landry Parish, Louisiana, United States
- Saint Landry, Louisiana, United States