Iida (written: 飯田) is a Japanese surname. Notable people with the surname include:
Akira Iida (飯田 章, born 1969), Japanese racing driver
George Iida (飯田 譲二, born 1959), Japanese film and television director, screenwriter, manga author, and novelist
Kaori Iida (飯田 圭織, born 1981), Japanese singer and artist
Masaki Iida (飯田 真輝, born 1985), Japanese football player
Jumpei Iida (飯田 淳平, born 1981), Japanese football referee
Shōjirō Iida (飯田 祥二郎, 1888–1980), general in the Imperial Japanese Army in World War II
Tatsumi Iida (飯田 健巳, born 1985), Japanese football player
Tetsu Iida (飯田 鉄, born 1948), Japanese photographer
Tetsunari Iida (飯田 哲也, born 1959), director of the Institute for Sustainable Energy Policies in Japan
Tetsuya Iida (飯田 哲也, born 1968), former Nippon Professional Baseball outfielder
Iida Umanosuke (飯田 馬之介, born 1961), director of the anime series Hellsing (TV series)
