The Game Boy Color (GBC or CGB) is an 8-bit handheld game console, manufactured by Nintendo, which was released in Japan on October 21, 1998, and to international markets that November. Compared to the original Game Boy, the Game Boy Color features a color TFT screen rather than monochrome, a processor that can operate twice as fast, and four times as much memory. It retains backward compatibility with games initially developed for its predecessor.

While the handheld was slightly thicker, taller and had a smaller screen than its immediate predecessor, the Game Boy Pocket, the Color was significantly smaller than the original Game Boy. As with its predecessors, the Game Boy Color has a custom 8-bit processor made by Sharp. The American English spelling of the system's name, Game Boy Color, remains consistent throughout the world.

While it received positive reviews upon its release, the Game Boy Color was seen as more of a transitional upgrade of the original Game Boy rather than a completely new device. It would have a relatively brief lifespan, being supplanted by the Game Boy Advance after less than three years on the market.

The Game Boy Color is part of the fifth generation of video game consoles. The Game Boy and the Game Boy Color combined have sold 118.69 million units worldwide, making them the fourth best-selling system of all time. Its best-selling games are Pokémon Gold and Silver, which shipped 23 million units worldwide.