Niweat Siriwong (, born 18 July 1977) is a Thai football coach and former player, who is the assistant coach of Ayutthaya United. Niweat is a vastly experienced player and has played overseas in Singapore and Vietnam during his career. He was known for his long-range powerful free kicks.
Sinthana
Niweat captained the Thailand squad which won the 2008 T&T Cup.
He also played in the 2012 King's Cup and 2012 AFF Suzuki Cup.