Cognomen Slothouber (Slothouber 
) , throughout the world, is a rare last name. The family name Slothouber is characteristic of Netherlands, where it is a rare surname, Canada, where it is a very rare surname, and Australia. In absolute terms, it is the most numerous in Netherlands, the United States, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Slothouber | Australia, Netherlands, South Africa, Canada, United States |
| jan slothouber NL (b. 1918) |
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| louis paul slothouber Ph.D. College of William and Mary 1989 |
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