Surname Phumchan (ภูมิจันทร์ 
, Phumchan , พุ่มจันทร์) , throughout the world, is a rare cognomen. The cognomen Phumchan is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Kan, Darunee, Wannipa, Wichian, Uraiwan, Simaporn, Sonthaya, Phawinee, Phonphet, Pucharee, Lucksika, Tattanan, Tasphong, Thitapha, Thiwakorn, Nantawat, Nontapat, Huttagon, Sasiyaporn, Phitsinee, Thippapha, Thongchan, Rhuethaithip, Pongsak, Porntip, Pavinee, Nion, Manop, Sakda, Buali, Buall, Tawil, Thiti, Wijit, Kaewta, Kesorn, Thongdang, Lalita, Narong, Wanpen, Wisuth, Sarawut, Sirilak, Suchada, Sompong, Chotika, Kaisorn, Parisut, Jirayu, and Weerachai