Mom Luang Piyapas Bhirombhakdi (Thai: หม่อมหลวงปิยาภัสร์ ภิรมย์ภักดี RTGS: Piyaphat Phiromphakdi, née Kridakorn กฤดากร RTGS: Kridakon; born 8 May 1962) is a Thai actress, primarily known for playing Queen Suriyothai in the 2001 movie The Legend of Suriyothai. Piyapas is a great-granddaughter of Prince Nares Varariddhi, who was a son of King Mongkut. This distant royal descent is reflected by her title Mom Luang.