Last name Bykerk (Bykerk 
) , in the entire world, is a rare surname. The last name Bykerk is habitual in Australia, where it is a rare surname, Netherlands, where it is a very rare surname, and New Zealand. In absolute terms, it is commonest in the United States, Australia, and Netherlands.
| VARIANT | COUNTRY |
|---|---|
| Bykerk | United Kingdom, Australia, United States, Canada, Netherlands |
| vivian p bykerk researcher (ORCID 0000-0002-1219-3845) |
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| vivien p bykerk researcher |
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