Family name Grych (Grych 
) , in the world, is a rare surname. The last name Grych is habitual in Poland, where it is a rare surname, Denmark, and the United States, where it is a very rare surname. More frequently, Grych is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Grych | Canada, Poland, France, United States, Denmark |
| john howard grych Ph.D. University of Illinois at Urbana-Champaign 1991 |
|