Mega Man may refer to:

• Mega Man (video game), a video game first released by Capcom in 1987 for the NES, and later ported to a number of other platforms (including cell phones).
• Mega Man, a separate PC game (based on the above game) released in 1990 by Hi-Tech Expressions.
• Mega Man Classic, a series of sequels based on that first game's gameplay and characters.
• Mega Man (series), a meta-series (including such series as Mega Man X and Mega Man: Battle Network) based on the world and characters of the original Mega Man series.
• Mega Man (character), the protagonist of the original Mega Man series.
• An unrelated, fictional series of toys referred to in South Park
• An unrelated one-time villain appearing in issue #8 of the Man Called Nova comic book series.
• Another unrelated villain from The DNAgents comic book series.