Around the world, Leinonen (Leinonen 
, Лейнонен 
) is a very rare feminine first name. The first name Leinonen is habitual in Northern Europe, particularly Aland Islands, where it is quite a common female name. Predominantly, Leinonen is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Leinonen | Finland, Sweden, United States, Hong Kong, Norway |
| Лейнонен | Belarus, Russia, Ukraine |
| armas leinonen Finnish politician (1900-1985), FI (b. 1900) |
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| rasko leinonen researcher |
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