Best Friend was a 1976 Broadway play written by Michael Sawyer that premiered at the Lyceum Theatre on October 19, 1976 and closed on October 23, 1976 after 8 performances.

In the present at an apartment on the Upper West Side.

Act I – 5;30 p.m., late August

Act II – Two hours later, the same evening

It's a character study of a neurotic woman disrupting her friend's romance by falsely claiming to have a lesbian relationship with her.

The show was directed by Marty Jacobs, scenery Andrew Greenhut, costumes Miles White, lighting Richard Winkler, production consultant Doug Tayler, production stage manager Michael Wieben, stage managers Victor Raider-Wexler and Ingrid Sonnichsen, and press by Lewis Harmon and Sol Jacobson.

The opening cast starred Barbara Baxley (Carolyn Parsky), Liz Sheridan (Mary Tagliavini), Mary Doyle (Anita Fitzgerald), and Michael M. Ryan (John McGovern).

The Best Plays of 1976–1977. New York City: Dodd, Mead and Company. 1977. p. 294. ISBN 978-0-396-07501-1.

• ​Best Friend​ at the Internet Broadway Database
• ​Best Friend​ at the Internet Broadway Database