Cognomen Khondaker (Khondaker 
) , across the world, is quite a common family name. The surname Khondaker is characteristic of Bangladesh, where it is quite a rare surname, Oman, where it is a rare surname, and United Arab Emirates. Not in comparison with a country's population, this name is the most popular in Bangladesh, Saudi Arabia, and the United States. Likewise, Khondaker is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Khondaker | Indonesia, Saudi Arabia, United Arab Emirates, United States, Bangladesh |
| jafar ahmed khondaker Ph.D. Carleton University 2000 |
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| saiful i khondaker researcher |
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| md tawkat islam khondaker researcher |
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