Mount Santo Tomas is a potentially active stratovolcano in the Philippines located in the municipality of Tuba in the province of Benguet.

The mountain is part of the protected Santo Tomas Forest Reserve declared through Proclamation No.

[5] Due to its high elevation, several communications and broadcasting companies constructed relay stations at the summit.

Philippine Institute of Volcanology and Seismology (PHIVOLCS) lists Mount Santo Tomas as potentially active volcano.

[2] The Global Volcanism Program is uncertain about the last activity of Mount Santo Tomas.