Pichit Sitbangprachan (Thai: พิชิต ศิษย์บางพระจันทร์); born Supap Hanwichachai (สุภาพ หาญวิชาชัย); 15 January 1966) is a former professional boxer from Thailand.
He is the older brother of Pichit Chor Siriwat, a former WBA Junior-flyweight champion.
In 1992 he captured the IBF flyweight title with a KO win over champion Rodolfo Blanco at Imperial World Samrong, Samut Prakan province.
But Sitbangprachan finally retired on November 25 of the same year by holding a press conference at the Parliament House.
He is one of a select group of boxing world champions who were never defeated in their professional career.