Gekko (disambiguation)

Gekko is a genus of lizards native to Southeast Asia.

Gekko may also refer to:
 * Gekko (optimization software)
 * Gekko Records
 * Gordon Gekko, a fictitious character from the movie Wall Street
 * Gekko, a superhero from PJ Masks

Gekkō (月光, ja:月光) also means "moonlight" in Japanese:
 * Gekko (microprocessor), the CPU of the GameCube
 * A variant of the Japanese Nakajima J1N fighter of World War II
 * Gekkō, a type of mechanized weapon in the Metal Gear game universe
 * The Gekko Observatory in Japan
 * Gekko Moriah, an antagonist in the manga and anime One Piece
 * Gekkou, video album by Gackt