Family name جہاں (Jahan 
, جہاں) , in the entire world, is a prevalent last name. The surname جہاں is habitual in Bangladesh, where it is a common surname, India, where it is quite a common surname, and Oman (explore the name in all countries). Measured by absolute frequency, the name is most common in Southern Asia, particularly India, Bangladesh, and Pakistan. Much less frequently, جہاں is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Jahan | India, France, Bangladesh, Pakistan, Saudi Arabia |
| جہاں شاہ emperor (1673-1712), PK (b. 1673) |
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| خواجہ فخر جہاں PK (b. 1797) |
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نور جہاں Pakistani singer and actress, PK (b. 1926) |
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| جہاں آرا شاہ نواز Indian, afterwards Pakistani, politician, PK (b. 1896) |
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| جہاں داد خان Pakistani politician, PK (b. 1929) |
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| اشرف جہاں Pakistani judge, PK (b. 1957) |
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| عذرا جہاں Pakistani singer, PK |
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| سونیا جہاں Pakistani actress, PK (b. 1980) |
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