A Useful Ghost is a 2025 supernatural black comedy-drama film directed and written by Ratchapoom Boonbunchachoke, in his directorial debut. It stars Davika Hoorne, Witsarut Himmarat, Apasiri Nitibhon, Wanlop Rungkumjad, and Wisarut Homhuan. The film is a co-production of Thailand, France, Singapore, and Germany.