Quick answer
Isaak is a boy name.
Pronunciation: Russian /ɪ.sɐ.ˈak/; German /ˈiː.za.ˌak/; German /ˈiː.ˌzaːk/.
Meaning and history
Greek, Russian and German form of Isaac.
Notes and context
Usage: greek, russian, german, biblical greek | Greek: Ισαάκ; Russian: Исаак; Ancient Greek: Ἰσαάκ