| Birth Name: | Kathryn MacDonald |
| Birth Date: | 13 August 1958 |
| Nationality: | American |
| Occupation: | Actress |
Kathryn Graf (born Kathryn MacDonald, August 13, 1958) is an American actress and playwright.
She guest starred in and has also guest starred in ER and in the episode "A Man Alone".
She was married to actor David Graf.