Around the globe, Онно (Onno 
, Онно 
) is quite a rare principally boy's, but very infrequently female forename. The first name Онно is characteristic of Netherlands, where it is quite a rare male name, Germany, where it is a rare male name, and Japan. Not in comparison with a country's population, it is commonest in Japan, Germany, and Bangladesh. Much less frequently, Онно is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Onno | Japan, Germany, Bangladesh, France, Netherlands |
| Онно | Ukraine, Russia |