who voices sally in the nightmare before christmas

If you're referring to the character of Sally in the movie "The Nightmare Before Christmas," the voice actor who provided her voice is Catherine O'Hara. O'Hara is an award-winning actress who has appeared in numerous films, television shows, and stage productions. She is perhaps best known for her work on the long-running comedy series "Beetlejuice" and the popular animated television show "Family Guy." She also has a background in musical theater and has performed in several Broadway productions. In addition to "The Nightmare Before Christmas," O'Hara has voiced other animated characters such as Bonnie in "Toy Story 3" and