Surname Sizovs (Sizovs 
) , in all the world, is a very rare cognomen. The family name Sizovs is habitual in Northern Europe, particularly Latvia, where it is quite a rare surname, Estonia, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sizovs | United Kingdom, United States, Latvia, Estonia |