|Full name||Vithoon Kijmongkolsak|
|Date of birth||21 June 1962|
|Place of birth||Nakhon Sawan, Thailand|
|1985||→ Raj Pracha (loan)|
|2011||Thailand U23 (assistant)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 11 August 2011|
Vithoon Kijmongkolsak (Thai: วิฑูรย์ กิจมงคลศักดิ์), (born June 21, 1962 in Nakhon Sawan) is a Thai retired football player and former Thailand national team captain. He played for the national team since between 1985 and 1995, and appeared in six times of FIFA World Cup qualifying matches for him.