Family name Ahasan (Ahasan 
) , in the entire world, is a common cognomen. The surname Ahasan is habitual in Bangladesh, where it is quite a common surname, Oman, where it is quite a rare surname, and Qatar. In absolute terms, it is the most numerous in Bangladesh, India, and Saudi Arabia. Likewise, Ahasan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ahasan | Saudi Arabia, India, Oman, Pakistan, Bangladesh |
| frm nazmul ahasan Bangladeshi lawyer, BD (b. 1955) |
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| md shamim ahasan researcher |
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| asm lutful ahasan researcher |
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| mohammad mainul ahasan researcher |
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