Niweat Siriwong (Thai: นิเวศ ศิริวงศ์, born 18 July 1977) is a Thai former footballer.

Niweat is a vastly experienced player and has played overseas in Singapore and Vietnam during his career.

[1] He was known for his long-range powerful free kicks.

Sinthana Niweat captained the Thailand squad which won the 2008 T&T Cup.

This biographical article related to a football defender from Thailand is a stub.