Family name إسحاق (Isaac 
, Ishaq , Ishak , and others...) , across the world, is a prevalent surname. The surname إسحاق is characteristic of Israel, where it is a widespread surname, Malaysia, where it is a common surname, and Antigua and Barbuda (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in Nigeria, Pakistan, and Malaysia. Likewise, إسحاق is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ishaq, Ishak, Isaac | Kenya, India, Ghana, Nigeria, Pakistan |
| Isaak | Malaysia, Kenya, India, Nigeria, Ghana |
| Yitzhak | Brazil, Israel, India, Mexico, United States |
| Itzhak | Brazil, Israel, Mexico, South Africa, United States |
| إسحاق | Yemen, Sudan, Algeria, Iraq, Egypt |
Eshaq, Icchak, Iiro, Iisakki, Ike, Is., Isaach, Isaack, Isaacs, Isaacus, Isac, Isacco, Isach, Isak, Ishag, Isiaka, Issaak, Issac, Itshak, Izaac, Izaak, Izak, Izsak, Izsák, Jicchak, Yitshak, Айзек, Айк, Изаак, Ике, Исаак, Исаак, Айзек, Исаако, Исак, Исако, Исхак, Ицхак, Ицхок, Ісаак, Ісак, Іцхак, אייזיק, אייזקס, יצחק, أوتو, إسحق, اسحاق, ايزاك, ইসহাক, アイク, イケ, and イサク
| عبد الله بن أبي إسحاق IQ (b. 650) |
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حنين بن إسحاق Arab Christian scholar, physician and scientist (809–873), IQ (b. 808) |
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داويت إسحاق Eritrean writer, ER (b. 1964) |
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| مريم يحيى إبراهيم إسحاق Sudanese woman, sentenced to death for apostasy, SD (b. 1987) |
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| يحيى بن أبي إسحاق IQ |
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| أيسن صليوه إسحاق IQ |
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