All around the world, Іцхак (Іцхак 
) is an extremely rare unisex forename. Much less frequently, Іцхак is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Іцхак | Ukraine |
Icchak, Ichak, Iiro, Iisakki, Ike, Isaac, Isaach, Isaacus, Isaak, Isac, Isacco, Isach, Isak, Ishak, Issaak, Issac, Itschak, Itshak, Itskhak, Itzhak, Izaac, Izaak, Izak, Izsak, Izsák, Jicchak, Jitzhak, Yitzhak, Айзек, Айк, Изаак, Ике, Исаак, Исаак, Айзек, Исаако, Исак, Исако, Исхак, Ицхак, Ісаак, Ісак, אייזיק, יצחק, أوتو, إسحاق, إسحق, اسحاق, ايزاك, ইসহাক, アイク,
| іцхак якаў райнес BY (b. 1839) |
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| іцхак гіттерман Jewish resistance member, UA (b. 1889) |
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| іцхак шнеєрсон UA (b. 1879) |
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