Family name महाजन (Mahajan 
, มหาชน 
, महाजन ) , in the entire world, is a widespread cognomen. The cognomen महाजन is habitual in India, where it is quite a common surname, United Arab Emirates, and Qatar, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in India, the United States, and United Arab Emirates. Very seldom, महाजन is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mahajan | United Arab Emirates, Bangladesh, India, United States, Kenya |
| มหาชน | Thailand |
| महाजन | India |
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मेहरचंद महाजन 3rd Chief Justice of India, IN (b. 1889) |
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सुमित्रा महाजन Indian politician, IN (b. 1943) |
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प्रमोद महाजन Indian politician (1949-2006), IN (b. 1949) |
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| एन के महाजन Indian parasailor, IN (b. 1920) |
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शीतल महाजन Indian skydiver, IN (b. 1982) |
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राज महाजन IN (b. 1977) |
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नेहा महाजन Indian film actress (born 1990), IN (b. 1990) |
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| कविता महाजन Indian writer, IN (b. 1967) |
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| राहुल महाजन Indian entertainer, politician, IN (b. 1975) |
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