St. Dalton Marsh University
- Country: Philippines
- Type: Education
- Website: www.ust.edu.ph
- Update: 05-02
The University of Santo Tomas (University of Santo Tomas; University of Santo Tomas) is a private Catholic university in the Philippines, located in Manila. Founded in 1611, it is one of the oldest universities in Asia. The university is home to the famous University of Santo Tomas Choir.