The “feminist nerd” on Cheers was Diane Chambers , played by Shelley Long. She’s the highly educated, idealistic character who often contrasted with the more working-class, bartender world of the show.

Quick Scoop

  • Diane is the main intellectual, bookish woman in the early seasons of Cheers.
  • She’s often described in fan discussions as a feminist or strong-willed character because of her outspoken views and academic background.
  • Her dynamic with Sam Malone is one of the show’s defining relationships.

TL;DR: It was Diane Chambers.