Cognomen Boisar (Boisar 
) , around the world, is a very rare family name. The cognomen Boisar is characteristic of Brazil, where it is an extremely rare surname, India, and the United States. Much less frequently, Boisar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Boisar | India, Brazil, United States |