Surname Rusit (Rusit 
) , worldwide, is a rare family name. The cognomen Rusit is habitual in Philippines, where it is a rare surname, Australia, where it is a very rare surname, and Canada. In absolute terms, it is commonest in Philippines, Indonesia, and the United States. Much less frequently, Rusit is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rusit | Indonesia, United States, Philippines, India, Australia |