The GAT-X370 Raider Gundam is a transformable Mobile Suit introduced in the series Mobile Suit Gundam SEED and is piloted by "Biological CPU" Clotho Buer.

The Raider is a transformable mobile suit and the only second generation GAT-X machine to adopt the X300-series frame used by the GAT-X303 Aegis Gundam. Compared to the Aegis, Raider has improved anti-mobile suit capabilities when in MA mode and its transformation system is greatly simplified. It is actually a variant of the GAT-333 Raider Full Spec and maintains some of its predecessor's characteristics, like a MA mode specialized for flight and the two large fighter plane-like main wings that give it full atmospheric flight capabilities. These wings also boost Raider's turning capabilities and acceleration speed on earth and in space, as well as allow it to serve as a subflight lifter unit for carrying other mobile suits (usually the GAT-X131 Calamity Gundam). During battles, Raider often utilizes hit-and-run attacks and has Trans-Phase armor like the other second generation machines. The Raider is armed with both energy and shell-firing weapons (with some of them being usable only in flight mode) and uses the "Mjolnir" Spherical Breaker, a wire tethered mace, as its handheld weapon.