Ninja Baseball Bat Man, known in Japan as Yakyū Kakutō League Man (野球格闘リーグマンYakyū Kakutō Rīgu Man?, "Baseball Hand-to-Hand Fighting League Man"), is a 1993 belt scrolling beat 'em up developed and published by Irem exclusively as an arcade game. It is the fourth arcade game by IREM to use a belt scroll perspective, following Blade Master, Hook and Undercover Cops.