Surname Daulay (Daulay 
) , all over the world, is a common cognomen. The cognomen Daulay is habitual in South-eastern Asia, particularly Indonesia, where it is quite a rare surname, Malaysia, where it is a rare surname, and Singapore. Measured by absolute frequency, the name is most common in Indonesia, Malaysia, and France. Much less frequently, Daulay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Daulay | Indonesia, Malaysia, Philippines, Singapore, France |
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amrun daulay ID (b. 1946) |
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saleh p. daulay Indonesian politician, ID (b. 1974) |
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| amru daulay ID (b. 1939) |
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| nurmaeni daulay Indonesian politician (born 1969 in Medan), ID (b. 1969) |
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| neil iskandar daulay Indonesian politician, ID (b. 1969) |
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| neni rumianti daulay Indonesian politician (born 1975 in Kota Medan), ID (b. 1975) |
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| hotmatua daulay ID (b. 1966) |
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| hadrian daulay Indonesian political candidate, ID |
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| syah emir p. daulay Indonesian political candidate, ID |
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| amrun daulay Indonesian political candidate, ID |
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| aisyah daulay Indonesian political candidate, ID |
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| richard m. daulay |
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| alda daulay ID |
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