Cognomen Trewick (Trewick 
) , worldwide, is a rare surname. The family name Trewick is habitual in the United Kingdom, where it is a rare surname, Australia, and New Zealand. Measured by absolute frequency, this name is the most popular in the United Kingdom, the United States, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Trewick | Australia, South Africa, United Kingdom, United States, Mexico |
|
steven a. trewick New Zealand ecologist and professor, NZ |
|
| george trewick former professional footballer (1933-2003), GB (b. 1933) |
|
|
| alan trewick association football player (1941-1993), GB (b. 1941) |
|
|
| john trewick English footballer, manager (born 1957), GB (b. 1957) |
|