| Native Name: | 服部隆之 |
| Birth Date: | 21 November 1965 |
| Birth Place: | Tokyo, Japan |
| Occupation: | Composer, arranger, conductor |
| Alma Mater: | Conservatoire de Paris |
| Years Active: | 1988–present |
| Children: | Moné Hattori |
| Nationality: | Japanese |
is a Japanese film, television, video game and non-soundtrack music composer, arranger and conductor. He is the son of the composer Katsuhisa Hattori and grandson of composer Ryōichi Hattori. He has won three Japan Academy Prize awards in the category Outstanding Achievement in Music and was the music director of the Japan Pavilion at the Expo 2010. In recent years, Hattori has worked with popular supergroup JAM Project, serving as orchestral arranger and conductor on two of their albums, Victoria Cross and THUMB RISE AGAIN, as well as in their live concerts promoting said albums.
He graduated from the Conservatoire de Paris in 1988 and since then has worked in Japan. The works he has scored include all of the Slayers anime films and OAV series, Martian Successor Nadesico anime television series and film, live-action films Godzilla 2000, Godzilla vs. SpaceGodzilla and Welcome Back, Mr. McDonald, anime television series Battle Athletes, , Ground Defense Force! Mao-chan and Sister Princess, anime films Space Brothers, Rough, , , and , TV drama series Great Teacher Onizuka, Hero, Nodame Cantabile, Current Doraemon films, Hanzawa Naoki, Downtown Rocket and Shinsengumi!, video games , Sangokushi V and Intelligent Qube, and TV show Hook Book Row.