Family name Ránki (Ránki 
) , worldwide, is a very rare cognomen. The cognomen Ránki is habitual in Eastern Europe, particularly Hungary, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ránki | Hungary |
|
ránki györgy Hungarian composer, HU (b. 1907) |
|
|
ránki dezső Hungarian virtuoso concert pianist; classical pianist, HU (b. 1951) |
|
| ránki györgy Hungarian historian, HU (b. 1930) |
|