Last name Riteris (Riteris 
) , in the entire world, is a very rare surname. The cognomen Riteris is habitual in Ireland, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Riteris is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Riteris | Brazil, United States, Ireland |
| janis riteris Latvian linguist, LV (b. 1867) |
|