Cognomen Dunlay (Dunlay 
) , around the world, is a rare family name. The cognomen Dunlay is characteristic of New Zealand, where it is a rare surname, the United States, and Canada. Not in comparison with a country's population, it is commonest in the United States, Canada, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Dunlay | United Kingdom, Venezuela, United States, Canada, New Zealand |
|
john dunlay recipient of the Victoria Cross, IE (b. 1831) |
|
| jon dunlay college basketball player (1977–1979) Princeton |
|
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| shannon m. dunlay |
|