The term Guyver is a word coined by manga artist Yoshiki Takaya. It can refer to:
- Bio Booster Armor Guyver - Manga series by Yoshiki Takaya
- Guyver: Out of Control - Animated feature film based on the manga, produced 1986
- Guyver (OVA) - 12 episode OVA series also based on the manga, produced in 1989
- Guyver: The Bioboosted Armor (anime) - 26 episode anime series also based on the manga, produced in 2005
There were also two live action Guyver movies made in the US that were also based on the manga series.
- The Guyver - Live action movie, produced in 1991
- Guyver 2: Dark Hero - Live action movie, produced in 1994
- Guyver - DJ.
