Worldwide, Rilus (Rilus 
) is a very rare epicene given name. The first name Rilus is habitual in Southern Asia, particularly India, where it is an extremely rare epicene name. Very seldom, Rilus is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Rilus | Brazil, India, United States |
| rilus doolittle American long-distance runner, US (b. 1900) |
|