Mitsusue IGA (date of birth unknown -June 13, 1221; his first name 光季 (Mitsusue) is also written as 光末) was a busho (Japanese military commander), who lived during the early Kamakura Period.
伊賀光季（いがみつすえ、？-1221年6月6日（承久3年5月15日(旧暦)）、光末とも書く）は鎌倉時代前期の武将。