Neo may mean:
- Neo-, a prefix signaling a "New" form or a revival of an old one.
- Neo (The Matrix), the protagonist in the Matrix series.
- Neo (constructed language), a constructed language.
- Neo (magazine) a UK anime, manga and Asian entertainment magazine.
- Neo (keyboard), a portable keyboard from AlphaSmart?.
- Neo (band), an Indonesian hip hop vocal group.
- Dr. Neo Cortex, from the Crash Bandicoot series.
- Neo Roanoke the brainwashed alter-ego of Mwu La Flaga from Gundam Seed Destiny
- An abbreviation for neoprene, often used by scuba divers when referring to exposure suits.
- Neo-soul, a style of music
- Neopets, an online virtual pets game.
- Neo (object-relational toolset), a programming framework for use with the .NET Framework.
- Neo (musician), producer behind Belgian electronic music act Infrabuse.
NEO may stand for:
- Near-Earth object
- Neuroticism Extraversion Openness Personality In...