Last name Colthof (Colthof 
) , in the entire world, is an extremely rare cognomen. The last name Colthof is characteristic of Netherlands, where it is a very rare surname, Israel, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Colthof | Israel, United Kingdom, Netherlands |
| nathan colthof holocaust victim, b. 1900-04-06 (b. 1900) |
|
|
| hans colthof holocaust victim, b. 1930-04-19 (b. 1930) |
|