Hisahide IZUMISAWA (year of birth unknown - March 1615) was a military commander and a vassal of the Uesugi family during the Warring States period.
泉沢久秀（いずみさわひさひで、生年不詳-元和(日本)元年（1615年）3月(旧暦)）は、戦国時代(日本)の武将、上杉家臣。