Surname Blaeij (Blaeij 
) , in all the world, is a rare cognomen. The last name Blaeij is habitual in Netherlands, where it is a rare surname, Norway, where it is a very rare surname, and China, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Blaeij | China, Norway, Netherlands, United States |
| merel de blaeij Olympic field hockey player, NL (b. 1986) |
|