PacSun
| A freestanding PacSun in Freeport, Maine, 2012 | |
| PacSun | |
| Company type | Private | 
| Founded | Newport Beach, California, U.S. (1980) | 
| Founder | Jack Hopkins | 
| Headquarters | Anaheim, California, U.S. | 
| Number of locations | 325 (May 2022) | 
| Area served | United States Canada | 
| Products | California inspired clothing, footwear, and accessories. | 
| Revenue | USD$797.79 million (2014) | 
| $48.72 million (2014) | |
| Owner | PSEB (Golden Gate Capital) | 
| Number of employees | 8,200 (June 2020) | 
| Website | pacsun | 
Pacific Sunwear of California, LLC, commonly known as PacSun, is an American retail clothing brand. The company sells lifestyle apparel, along with swim, footwear and accessories designed for teens and young adults. As of 2022, the company operates 325 stores in all 50 states and Puerto Rico. PacSun is headquartered in Anaheim, California, and formerly operated a distribution center in Groveport, Ohio. The company's regional directors, district managers and store positions are located throughout the United States. The company went bankrupt in April 2016 and is now owned by Golden Gate Capital.