Across the world, Sinnott (Sinnott 
) is an extremely rare male forename. Much more frequently, Sinnott is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sinnott | Australia, Canada, Ireland, United Kingdom, United States |
| quinn p. sinnott botanist (b. 1954) |
|
|
| lee sinnott footballer, football manager (born 1965), GB (b. 1965) |
|