Family name Watcharapun (วัชรพันธ์ 
, Watcharapun ) , around the globe, is a rare surname. The last name Watcharapun is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. More frequently, Watcharapun is the forename as well as the last name.
Hirun, Chotipradit, Chaisawang, Chankajorn, Siriwachiraworakul, Punyasom, Phungyaem, Kinkrajay, Kaewrodpai, Wattanasombut, Changsri, Wattaro, Rungsil, Sompong, Tatomwong, Phasuk, Petsut, Buapruan, Ananta, Yothana, and Wachirakhuankhun