Surname دوست (Dost 
, Dosi 
, دوست 
) , across the world, is a common cognomen. The last name دوست is habitual in Afghanistan, where it is quite a common surname, Pakistan, where it is quite a rare surname, and United Arab Emirates. Not in comparison with a country's population, the name is most common in Southern Asia, particularly India, Pakistan, and Afghanistan. Also, دوست is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dost | Turkey, Germany, Afghanistan, India, Pakistan |
| Dosi | Germany, Saudi Arabia, Italy, United States, India |
| دوست | Saudi Arabia, Iran, United Arab Emirates, Afghanistan, Iraq |
| Doust | Germany, Italy, United States, India, Pakistan |
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دوست محمد خان، نواب بھوپال Founder of the Bhopal State, PK (b. 1672) |
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دوست محمد خان first Emir of Afghanistan (1823-1863), AF (b. 1793) |
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مجید میهن دوست Actor, IR |
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دوست شينواری Afghan writer, AF |
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مهران فیض امام دوست Iranian volleyball player, IR |
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| دوست محمد کھوسہ former Muslim League politician, now Pakistan People's Party, in Punjab (b. 1973), PK (b. 1973) |
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| عالیه اقدام دوست Iranian teacher, IR |
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| مولوی احمد شاه دین دوست Governor of Ghor province, AF |
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| دوست العابد muhaddith, IQ |
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| احمد حسین سنگر دوست AF |
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| محمدرضا خوشک وطن دوست AF |
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