Cognomen Shaidyn (Shaidyn 
) , in the entire world, is an extremely rare last name. The family name Shaidyn is characteristic of Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname. More frequently, Shaidyn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Shaidyn | New Zealand, Venezuela, United States |