Plan A Entertainment
- Country: Korea
- Type: Commercial
- Website: planaent.co.kr
- Update: 05-02
Plan A Entertainment (플랜에이 엔터테인먼트; Plan A Entertainment; formerly known as A Cube Entertainment) is a South Korean agency founded in 2011 and headquartered in Seoul, and is now part of the LOEN Entertainment family of companies, which specializes in entertainment production and artist management.