Family name Delaet (Delaet 
) , worldwide, is a rare surname. The surname Delaet is habitual in Belgium, where it is quite a rare surname, Slovakia, and Bulgaria, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Belgium, the United States, and France.
| VARIANT | COUNTRY |
|---|---|
| Delaet | Belgium, United States, Canada, France, Slovakia |
| pierre delaet (b. 1820) |
|
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| aloïs delaet Belgian painter (1866-1949), BE (b. 1866) |
|
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| debra l. delaet (b. 1968) |
|
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| paul delaet BE |
|