Last name كرستي (كرستي 
, Krusty 
) , throughout the world, is a rare family name. The last name كرستي is habitual in Sudan, where it is a rare surname, Iraq, and Israel, where it is a very rare surname. In absolute terms, it is commonest in Sudan, Iraq, and France. More frequently, كرستي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| كرستي | Iraq, Sudan, Palestinian Territory |
| Krusty | Australia, Germany, France, United States, United Kingdom |