The Sirikit Medical Center, located within the compound of the  Ramathibodi Hospital in Bangkok, and part of the Faculty of Medicine of the Mahidol University.

It was inaugurated on 12 August 1992 as part of the 60th Birthday celebrations and the fifth birthday cycle of Queen Sirikit Kitthiyagon. On the top is the Queen's Royal Cypher, i.e. a golden crown over her initials, the letters S (ส) and K (ก).