Surname Sissu (Sissu 
) , across the world, is a very rare cognomen. The cognomen Sissu is habitual in Indonesia, where it is a very rare surname, and the United States, where it is an extremely rare surname. More prevalently, Sissu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sissu | Brazil, Democratic Republic of the Congo, India, United States, Indonesia |