In the entire world, Ishac (Ishac 
) is a rare male forename. The forename Ishac is habitual in Algeria, where it is a rare masculine name, Egypt, where it is a very rare masculine name, and Saudi Arabia. Measured by absolute frequency, this name is the most popular in Algeria, India, and Egypt. More frequently, Ishac is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ishac | Lebanon, Kuwait, Egypt, Algeria, Australia |
| ishac ould ragel politician, MR (b. 1941) |
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| ishac diwan Lebanese economist, LB (b. 1957) |
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| ishac nazy researcher |
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| ishac kandas researcher |
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| ishac cohen researcher |
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| ishac de sequeyra samuda |
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