Sheila Callaghan (born 1973) is a playwright and screenwriter who emerged from the RAT (Regional Alternative Theatre) movement of the 1990s.

[7] Callaghan's writing has been described as "comically engaging, subversively penetrating",[8] "whimsically eloquent",[9] "unique and completely contemporary",[10] and "downright weird".

[18] In 2007, her play Dead City won a Special Commendation Award for the prestigious Susan Smith Blackburn Prize.

Several of her plays are published by Playscripts, Inc., Samuel French Inc., and S. Fischer Verlag (in German translation), and she has been anthologized in the New York Theatre Review and others.

She was hired to write the film adaptation of I Dream of Jeannie by Sony Pictures Entertainment and Escape Artists.