Cognomen Dyhrfort (Dyhrfort 
) , all around the world, is a very rare surname. The surname Dyhrfort is habitual in Northern Europe, particularly Sweden, where it is a rare surname, Norway, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Sweden, India, and Norway.
| VARIANT | COUNTRY |
|---|---|
| Dyhrfort | Norway, United Kingdom, India, Sweden |