Surname Koall (Koall 
) , across the world, is a rare family name. The last name Koall is characteristic of Germany, where it is a rare surname, Italy, where it is an extremely rare surname, and the United Kingdom. Very seldom, Koall is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koall | Germany, Italy, United States, Myanmar, United Kingdom |
| gerhard koall German fighter ace and Knight's Cross recipient (1912-1945), DE (b. 1912) |
|
|
|
robert koall German dramaturge, DE (b. 1972) |
|