Surname Poolsin (Poolsin 
) , worldwide, is a rare family name. The family name Poolsin is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, Poolsin is the forename as well as the last name.
Krit, Supattrachai, Wilasinee, Phanpimon, Kittikorn, Kanokphan, Sasithorn, Weerawut, Weerasak, Wasuthorn, Wanthana, Nungruthai, Thitinan, Thanawit, Kanchana, Chanwong, Athisapun, Hassana, Tasanee, Rohanna, Banlang, Apichet, Ailawin, Nitisa, Natcha, Panita, Saipin, Mesiya, Pitch, Kowit, Nuengruthai, and Ratchadaporn