Pratt & Whitney Rocketdyne
| Company type | Division |
|---|---|
| Industry | Aerospace |
| Predecessor | Pratt & Whitney Space Propulsion Boeing Rocketdyne |
| Founded | 2005 |
| Defunct | 2013 |
| Fate | Acquired |
| Successor | Aerojet Rocketdyne |
| Headquarters | , U.S. |
| Products | Rocket engines |
| Parent | United Technologies Corporation |
Pratt & Whitney Rocketdyne (PWR) was an American company that designed and produced rocket engines that use liquid propellants. It was a division of Pratt & Whitney, a fully owned subsidiary of United Technologies Corporation. It was headquartered in Canoga Park, Los Angeles, California. In 2013, the company was sold to GenCorp,Inc., becoming part of Aerojet Rocketdyne.