Surname Kwadijk (Kwadijk 
) , throughout the world, is a rare cognomen. The surname Kwadijk is habitual in Netherlands, where it is a rare surname, Australia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Kwadijk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kwadijk | Netherlands, Australia, Norway, United States |
| jaap kwadijk researcher, ORCID id # 0000-0003-2980-2464 (b. 1959) |
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| leroy kwadijk Dutch darts player, NL (b. 1983) |
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