Surname Shamsuddin (Shamsuddin 
, Шамсуддин 
) , all over the world, is a common cognomen. The family name Shamsuddin is habitual in Malaysia, where it is quite a common surname, Bahrain, and Brunei, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in Malaysia, Bangladesh, and India. Likewise, Shamsuddin is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Shamsuddin | Saudi Arabia, Malaysia, Nigeria, India, Bangladesh |
| Шамсуддин | Azerbaijan, Kazakhstan, Russia, Kyrgyzstan, Tajikistan |
| abdullah bin shamsuddin (b. 1860) |
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| abdul kadir shamsuddin chief Secretary to the Government of Malaysia (1920–1978) (b. 1920) |
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| s. shamsuddin Singaporean actor (1929-2013), SG (b. 1929) |
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| abdul kadir bin shamsuddin (b. 1920) |
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| jins shamsuddin Malaysian actor and film director (1935-2017), MY (b. 1935) |
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| mohammad shamsuddin (b. 1945) |
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| nenney shushaidah binti shamsuddin Malaysian lawyer and high court judge (b. 1975) |
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| norazanita shamsuddin researcher (ORCID 0000-0002-2281-502X) |
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| nurainul hana shamsuddin researcher |
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| akm shamsuddin Bangladeshi politician |
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| shaharum shamsuddin researcher |
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| muhammad rashid shamsuddin researcher (ORCID 0000-0002-8683-596X) |
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| rosnah shamsuddin researcher |
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| syamimi shamsuddin researcher |
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| mohd ashaari shamsuddin Malaysian footballer, MY (b. 1985) |
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