Holo may refer to:
Holo is a prefix that can refer to many things such as:
- HoloVid or "HV."
- Holo-Plan, a blueprint for weapons and other accessories, such as the RYNO IV.
- Holo-Vision, a form of broadcasting.
- Holo Pirate Disguise, a device which disguises the user as a pirate.
- Hologuise, a device which disguises the user as a Sentry-bot.
- Holo-Monocle, a gadget which allows the user to find information of another.
- Holo-game, a form of gaming.
- Holo-prompter, an item used in news reports by Dallas and Juanita.