Last name Insub (Insub 
) , in all the world, is a very rare cognomen. The cognomen Insub is habitual in Malaysia, where it is a very rare surname, Thailand, and China, where it is an extremely rare surname. Predominantly, Insub is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Insub | South Korea, India, United States, Thailand, China |