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Cognomen Jökull (Jökull
, Jokul
, Yokul
) , in the entire world, is a rare family name. The family name Jökull is habitual in Germany, where it is a rare surname, Turkey, where it is a very rare surname, and Peru. Measured by absolute frequency, it is commonest in Germany, Turkey, and Indonesia. Much less frequently, Jökull is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jökull | Iceland, United States |
| Jokul | India, Indonesia |
| Yokul | Canada, Turkey, India, United States, Thailand |
| Jökel | Peru, Germany |
Mar, Þórðarson, Sigurðsson, Úlfarsson, Ólafsson, Egilsson, Jóhannsson, Gíslason, Björnsson, Auðunsson, Sverrisson, Harðarson, Jónsson, Jonsson, Blængsson, Másson, Kristjánsson, and Vilhjálmsson