Sire Ma born 31 July 1987 is a Chinese actress based in Hong Kong. Her birth name is 司馬賽兒 (pinyin:Sīmǎ sài er, jyutping:Si1Maa5Coi3Yi4). She was the 2nd runner up at the Miss Hong Kong Pageant 2008, simultaneously winning the Miss Photogenic Award. She later went to participate in the Miss International 2008, but was unplaced. She was graduated from Hong Kong Baptist University.