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International Monohull Open Class Association | |
| Formation | 1991 |
|---|---|
| Headquarters | Lorient and Paris, France |
President | Antoine Mermod |
| Website | imoca.org |

The International Monohull Open Class Association (IMOCA) is the governing body of the IMOCA class. Its main task is to design the class regulations for the ocean racing yachts IMOCA 60 and organising single-handed regattas. It was established in 1991. IMOCA has been a member of World Sailing (governing body of international sailing sport) since 1999.
The IMOCA Globe Series was conceived in 2018. Each skipper collects points throughout the season based on placement and number of participants in official races as well as the difficulty and importance of a race.