Tolosa may refer to:
Places:
- Tolosa, the Latin, Italian and Occitan name for Toulouse, France
- Tolosa, the Visigothic Kingdom of Tolosa, including much of present day southwestern France,(418-507 A.D.)
- Tolosa, Leyte, a municipality in the Philippines
- Tolosa, Spain, a town and municipality
- 138 Tolosa, an asteroid
People:
- Ambesse Tolosa (born 1977), Ethiopian long-distance runner who specializes in the marathon
- Juan Carlos Tolosa (born 1966), Argentinian composer, pianist and conductor
- Eugenio Tolosa, 19th century brigadier-general in the Mexican army
- Juan de Tolosa (fl. 16th century), Spanish Basque conquistador
- Peire Guillem de Tolosa, 13th century troubadour from Toulouse
- Peire Raimon de Tolosa (fl. 1180–1220), troubadour from Toulouse
- Joyos de Tolosa (probably 13th century), troubadour from Toulouse
Ships
- SS Tolosa a number of ships with this name