Surname Hoornstra (Hoornstra 
) , in all the world, is a rare cognomen. The cognomen Hoornstra is characteristic of Netherlands, where it is quite a rare surname, Estonia, where it is a rare surname, and the United States, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Netherlands, the United States, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Hoornstra | Estonia, Netherlands, Canada, New Zealand, United States |
| willem hoornstra Dutch politician, NL (b. 1948) |
|
|
| dieuwertje hoornstra |
|