Surname Deyker (Deyker 
) , all over the world, is a very rare last name. The surname Deyker is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is a rare surname, Venezuela, and Colombia, where it is a very rare surname. Likewise, Deyker is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Deyker | Mexico, India, Colombia, Venezuela, Nicaragua |