Isogai (written: 磯貝, 磯谷 or 礒貝) is a Japanese surname. Notable people with the surname include:
*, Japanese judoka
*, Japanese footballer
*, Japanese general
*, Japanese singer and musician
*, Japanese sport wrestler
Fictional characters
*, a character in the manga series ''
Assassination Classroom''
See also
*
8251 Isogai, a Mars-crossing asteroid
{{surname
Japanese-language surnames
