Cognomen Ruter (Ruter 
, Rutter 
, Ruutu 
) , in the entire world, is a common last name. The surname Ruter is characteristic of Reunion, where it is quite a common surname, Belize, where it is quite a rare surname, and the United Kingdom. Not in comparison with a country's population, it is commonest in the United States, the United Kingdom, and Australia. Much less frequently, Ruter is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ruter | United Kingdom, Canada, United States, Germany, Austria |
| Rutter | Australia, United Kingdom, United States, Germany, Austria |
| Ruutu | Latvia, India, Estonia, Belgium, Finland |
| Router | Australia, United Kingdom, Canada, United States, Indonesia |
|
martin ruter American Methodist minister, US (b. 1785) |
|
|
adolf johann cord ruter Dutch historian, NL (b. 1907) |
|
| gaston ruter French entomologist (1898-1979), FR (b. 1898) |
|
|
| alain ruter French politician, FR (b. 1950) |
|
|
| rudolf x. ruter (b. 1953) |
|
|
| nicolas ruter French politician, FR (b. 1975) |
|
|
| pascal ruter FR (b. 1966) |
|
|
| john m ruter researcher |
|