Mae Charim Wildlife Sanctuary (Thai: เขตรักษาพันธุ์สัตว์ป่าแม่จริม; RTGS: Khet Raksa Phan Satpa Mae Charim) is a wildlife sanctuary in Ban Khok, Fak Tha and Nam Pat districts of Thailand's Uttaradit Province. The sanctuary covers an area of 660 square kilometres (250 sq mi) and was established in 1998.