Tamemune ISA (year of birth unknown, died in 1221 [?]) was a gokenin (an immediate vassal of the shogunate in the Kamakura and Muromachi through Edo periods) who lived in the early Kamakura Period.
伊佐為宗（いさためむね、生年不明-承久3年（1221年）？）は鎌倉時代初期の御家人。