Gearbox (disambiguation)

A gearbox is a component of a propulsion transmission providing multiple gear ratios.

Gearbox may also refer to:


 * Gear train, a component of a transmission
 * Gearbox Software, a video game company
 * Gearbox Records, a recording company
 * Operation Gearbox, a World War II military operation in 1942
 * Operation Gearbox II, a World War II military operation, 1942–1943