was nightmare before christmas originally disney

Yes, "Nightmare Before Christmas" was originally a Disney film. It was first released in 1993 and was directed by Henry Selick and produced by Tim Burton. It was released under the Touchstone Pictures label, which is a subsidiary of Walt Disney Studios. The film received critical acclaim and was a commercial success, and it is considered to be a classic among fans of the horror and Halloween genres. The film was later acquired by Disney in 2006 and was added to their library of films.