Family name Isely (Isely 
) , around the globe, is a rare surname. The family name Isely is habitual in Switzerland, where it is a rare surname, Argentina, and Austria. Not in comparison with a country's population, it is commonest in the United States, Switzerland, and Argentina. Much less frequently, Isely is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Isely | Switzerland, France, United States, Argentina, China |
| dwight isely American entomologist (b. 1887) |
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| duane isely American botanist (1918–2000), US (b. 1918) |
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| olivier isely Ph.D. Université de Neuchâtel 2011 |
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