Worldwide, Riinu (Riinu 
) is an extremely rare gender-neutral first name.
| VARIANT | COUNTRY |
|---|---|
| Riinu | United States, India, Estonia |
|
riinu rannap Estonian zoologist, EE (b. 1966) |
|
| riinu pius researcher (ORCID 0000-0002-8738-4902) |
|
|
| riinu kiiker researcher ORCID ID = 0000-0003-4901-0384, EE (b. 1988) |
|