Pichit Chor Siriwat (Thai: พิชิต ช.ศิริวัฒน์; stylized as Pichit Siriwat; born 31 January 1975), also known as Pichitnoi Sitbangprachan (พิชิตน้อย ศิษย์บางพระจันทร์), is a retired Thai professional boxer who was the WBA junior flyweight world champion in the late 90s.
He fought for the first time using the name "Pichitnoi Sitbangprachan" (The Little Pichit) and got the chance to challenge WBA junior flyweight title with Leo Gámez, the Venezuelan holder at Ramkhamhaeng University on October 9, 1994, the result was that he was TKO in the sixth round due to his limited experience.
He defended his title at all five times, including defeating the elder Thai boxer, Kaaj Chartbandit (Hadao CP Gym) who have challenged the world champion with Leo Gámez in 1994 at Rajadamnern Boxing Stadium but failed.
The bout was held on March 1, 1998, at Ratchawong Pier in the Chinatown area, considered as one of the events of Chinese New Year 1998 celebration.
Later in early 2002, he had the opportunity to challenge a world title in third time with Nicaragua's Rosendo Álvarez at Jai Alai Fronton, Miami.