Bill Steinkellner and Cheri Steinkellner are an American husband and wife screenwriting duo, known for their work on Cheers, Teacher's Pet, its film adaptation of the same name, and Bob. They wrote the book of the musical Sister Act, for which they received a Tony Award nomination.
Bill and Cheri have been married since 1982 and together, they have three children: Emma (author/illustrator of the graphic novel The Okay Witch, and illustrator of the graphic novel Quince), Kit (writer of Quince), and Teddy.