The Falcon 9 is a two-stage rocket designed and manufactured by SpaceX for the reliable and safe transport of satellites and the Dragon spacecraft into orbit.
The Falcon Heavy is a heavy-lift launch vehicle with two stages and 27 engines, designed and manufactured by SpaceX for the reliable and safe transport of satellites, the Dragon spacecraft, and other payloads into orbit.
Starship is a fully reusable, super heavy-lift launch vehicle currently under development by SpaceX. It is designed to eventually replace the Falcon 9 and Falcon Heavy launch vehicles.