Family name Ojansuu (Ojansuu 
) , across the world, is a rare cognomen. The last name Ojansuu is habitual in Finland, where it is quite a rare surname, and Peru, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ojansuu | Finland, Peru |
| heikki ojansuu Finnish linguist (1873-1923), FI (b. 1873) |
|
|
| kirsi ojansuu Finnish politician, FI (b. 1963) |
|
|
| johannes ojansuu FI (b. 1961) |
|
|
| juha ojansuu FI |
|
|
| ismo ojansuu FI |
|