Khwae Noi National Park (Thai: อุทยานแห่งชาติแควน้อย, RTGS: Utthayan Haeng Chat Khwae Noi) is a national park in Chat Trakan, Nakhon Thai, Wang Thong and Wat Bot districts in Phitsanulok Province, Thailand, it was formerly known as Kaeng Chet Kwae National Park.