Family name Sillito (Sillito 
) , in all the world, is a rare surname. The surname Sillito is habitual in Canada, where it is a rare surname, New Zealand, and the United Kingdom. Measured by absolute frequency, it is the most numerous in Canada, the United Kingdom, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Sillito | South Africa, Canada, New Zealand, United Kingdom, United States |
| harry sillito Footballer (1901-1993), GB (b. 1901) |
|
|
| kenneth sillito English violinist and conductor, GB (b. 1939) |
|
|
| frank sillito college basketball player (1949–1949) Saint Joseph's |
|