Ida is a surname. Notable people with the surname include:
Antoinette Nana Djimou Ida (born 1985), French-Cameroonian heptathlete , Japanese cricketer Ibrahim M. Ida (born 1949), Nigerian politician James Ida (born 1940), New York gangster Joseph Ida (1890–?), American gangster and head of the Philadelphia mob in the 1940s and 1950s , Japanese lieutenant colonel who conspired to overthrow the government near the end of World War II , Japanese curler
Fictional characters Kyoya Ida, the main character of Ice Blade (Jiraishin): see List of Ice Blade characters , a character in the manga and anime series My Hero Academia , a character in the manga and anime series My Hero Academia