Surname Pachaya (Pachaya 
) , in the world, is a very rare cognomen. The surname Pachaya is characteristic of Thailand, where it is an extremely rare surname, and India. Predominantly, Pachaya is the forename as well as the last name.
Alda, Sukeepoj, Suttamas, Suwongjun, Sripraya, Akkapram, Chaiwong, Chatarat, Badhiusi, Paphawikul, Pakkajeerasakul, Pothivara, Ruangdit, Thongmat, Varanont, Matchimpanich, Sangmanee, Chansukho, Chaiyakan, Roengseree, Teerapimol, Kitithanakorn, Sailamul, Hetthong, Tesprasit, Thongma, Devi, Munda, Sinku, Kammi, Manoch, Sonart, Kaewon, Khatun, Kunsut, Pansri, Rattanapirom, Pasook, Nurack, Ubalee, Srisong, Sriwong, Khatoon, Pengjan, Punawet, Rodsook, Romphamueng, Tanaauxkrasak, Laguri, and Osathanonda