Prasat is a Cambodian and Thai term meaning palace or temple, derived from the Pali pāsāda and Sanskrit prāsāda (प्रासाद). In Thai, a "prasat" can mean a castle or a temple, not a palace. The term may also refer to:
- Prasat Char, a khum (commune) of Preah Net Preah District in Banteay Meanchey Province of Cambodia
- Amphoe Prasat, a district in Surin Province, Thailand
- Prasat, Ban Dan, Buriram Province, Thailand