Suzanne Grossmann (December 21, 1937 – August 19, 2010) was a Swiss-American actress, playwright and television writer, born in Basel, Switzerland.
Having first obtained her Bachelor of Arts degree at McGill University, in Montreal, Quebec, Grossmann was among the first graduates of the National Theatre School of Canada in 1963.
Grossmann made her Broadway debut in James Goldman's The Lion in Winter, playing Alais.
A revival of George Kelly's The Show-Off, starring Helen Hayes, followed later that year, and, in 1970, she played Sybil Chase in Private Lives opposite the Elyot and Amanda of Brian Bedford and Tammy Grimes.
With Paxton Whitehead, a fellow actor, she translated and adapted Georges Feydeau's farce There's One in Every Marriage for the Broadway stage in 1971, followed by Feydeau's Chemin de Fer.