Across the world, Phaisarn (Phaisarn 
) is a very rare masculine forename. The given name Phaisarn is habitual in South-eastern Asia, particularly Thailand, where it is a very rare male name. Much less frequently, Phaisarn is the last name as well as the forename.
Lee, Chuayaupakarn, Boonruam, Buddhasri, Kongchum, Pitchasophone, Pummadua, Lertsaereekul, Tancheewawong, Thienkosol, Nimsuwan, Wuthibunchond, Yingyong, Srisawang, Kaewtiamsri, Prommanee, Tabakajorn, Samarnphong, Chanwanitwit, Phocharoentham, Jangprasert, Taechanarong, Chokritpanon, Aengchuan, Asaisart, Sornchai, Cwatanaphol, Paoma, Harai, Imyeam, Jeefoo, Tangon, Teerak, Imyaem, Waelode, Mhaikate, Udomkarnkit, Saelhor, Somjinda, Ballard, Bunpong, Pruangviriya, Deedphim, Narkgrai, Wichian, Wijaikum, Yamwong, Sudwilai, Saehbeeding, and Rattanasing