Z could refer to:
- The Z button
- The stage in Super Smash Bros., Sector Z.
- Dr. Z, a smasher from Northern California who mains Jigglypuff.
- The Z, also known as Zenyore, a Canadian Smash 64 player.
- Z, an American Brawl player who mains Pikachu.
- Z, a Canadian Smash 4 player who mains Mewtwo.