The sources checked record no meaning for Onki as a personal name.
Strength
Cool
Brown, White, Black
Large
Boy
Others
O
4 Letters
Latinized Old Norse given name, recorded as masculine
A variant of the name derived from the Turkish word for 'pure' or 'clean', also associated with strength.
Old Norse short form of names beginning with the element ǫrn, "eagle".
Rock or stone in Turkish