For similarly pronounced words with multiple spellings, see Cisco (disambiguation).

Mark Althavean Andrews (born November 9, 1978), known by his stage name Sisqó (stylized as SisQó), is an American R&B singer, songwriter, dancer, record producer and actor. He is the lead singer of R&B group Dru Hill, and has also released solo material. Sisqo's successful debut solo album, Unleash the Dragon (1999), included the hit singles "Thong Song" and "Incomplete". Sisqó is a native of Baltimore, Maryland.