Across the world, Estwick (Estwick 
) is an extremely rare masculine forename. Predominantly, Estwick is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Estwick | Barbados, Canada, United Kingdom, United States, Trinidad and Tobago |
| sampson estwick English religious minister (b. 1657) |
|
|
| willoughby estwick (died 1799) |
|