Last name הדר (Hadar 
, הדר ) , in the entire world, is a common surname. The cognomen הדר is characteristic of Israel, where it is a common surname, Romania, where it is quite a rare surname, and Hungary. Measured by absolute frequency, this name is the most popular in Israel, Pakistan, and Morocco. Likewise, הדר is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hadar | Israel, Pakistan, Indonesia, Morocco, India |
| הדר | Israel |
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עמוס הדר Israeli politician, IL (b. 1923) |
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יוסף הדר Israeli composer, IL (b. 1926) |
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צבי הדר Israeli lawyer, IDF's Military Advocate General (1968—1973), IL (b. 1929) |
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מרים הדר Israeli journalist, IL (b. 1935) |
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יעקב הדר IL (b. 1936) |
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יוסי הדר Israeli journalist, IL (b. 1965) |
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צביקה הדר Israeli entertainer, IL (b. 1966) |
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יעל הדר Israeli actress, IL (b. 1968) |
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רמי הדר IL (b. 1966) |
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דקלה הדר Israeli actress, IL (b. 1981) |
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רוני הדר Israeli actress, IL (b. 1982) |
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| משה הדר IL (b. 1926) |
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| אהוד הדר Israel Railways CEO, IL (b. 1937) |
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מאיר הדר IL |
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עירא הדר IL |
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