| First Name | Catherine |
| Middle Name | Anne |
| Last Name | O`Hara |
| Full Name at Birth | Catherine Anne O`Hara |
| Other Names | Cath |
| Age | 57 |
| Date of Birth | March 4, 1954 |
| Birthplace | Toronto, ON, Canada |
| Height | 5' 4" (163 cm) |
| Build | Average |
| Eye Color | Blue |
| Hair Color | Brown - Light |
| Star Sign | Pisces |
| Religion | Roman Catholic |
| Ethnicity | White |
| Nationality | Canadian |
| High School | Burmanthorpe Collegiate Institute, Etobicoke, ON, Canada |
| Occupation Category | Comic |
| Claim to Fame | Delia on Beetlejuice |
| Sister(s) | Mary Margaret O'Hara |
| Friends | Robin Duke, John Candy |
Catherine Anne O'Hara (born March 4, 1954) is a Canadian-American actress and comedienne. She is well known for her comedy work on SCTV, and her roles in the films After Hours, Beetlejuice, Home Alone, and The Nightmare Before Christmas, and also in the mockumentary films written and directed by Christopher Guest including Waiting for Guffman, Best in Show, A Mighty Wind, and For Your Consideration. Most recently, she has appeared in the 2010 film Killers and the HBO movie Temple Grandin, for which she was nominated for an Emmy and Screen Actors Guild Award.
Selected Catherine O'Hara film and TV show credits: