Cognomen Dyker (Dyker 
) , all over the world, is a rare surname. The family name Dyker is characteristic of Canada, where it is a rare surname, Australia, and New Zealand. Measured by absolute frequency, it is the most numerous in the United Kingdom, Canada, and the United States. Very seldom, Dyker is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dyker | United Kingdom, Canada, South Africa, Germany, United States |
| adolf fredrik dyker Titanic victim (b. 1888) |
|
|
| anna elisabeth judith dyker Titanic survivor (b. 1889) |
|
|
| john dyker (b. 1918) |
|
|
| gene dyker American basketball player, US (b. 1930) |
|
|
| david a. dyker (b. 1944) |
|
|
| gerald dyker (b. 1960) |
|
|
| adam dyker researcher |
|
|
| guinevere dyker Ph.D. University of York 2004 |
|