Around the globe, Sinnett (Sinnett 
) is a very rare masculine forename. The given name Sinnett is characteristic of Eastern Asia, particularly China, where it is an extremely rare male name. Much more frequently, Sinnett is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sinnett | United Kingdom, South Africa, Australia, United States, Canada |
| reid sinnett American football player (born 1997), US (b. 1997) |
|