Carlin Glynn (February 19, 1940 - July 13, 2023) was an American singer and Tony Award-winning actress. She was married to writer/director/actor Peter Masterson in 1960 until his death in 2018. They had 3 children: actress Mary Stuart Masterson, cinematographer Peter Masterson Jr., and former actress Alexandra 'Lexie' Masterson.

She wa best known for her roles as Mae Barber in Three Days of the Condor (1975), Brenda Baker - mother to Molly Ringwald's character in Sixteen Candles (1984), Jessie Mae in The Trip to Bountiful (1985) (directed by her husband), First Lady Meg Tresch alongside George C. Scott's character President Samuel Tresch on FOX's TV series Mr. President, and Lady Bird Johnson on the miniseries A Woman Named Jackie.

Her other film credits include roles in Resurrection (1980), Continental Divide (1981), The Escape Artist (1982), Gardens of Stone (1987) (where her husband and daughter also had roles), Blood Red (1989), Night Game (1989), Convicts (1991), Judy Berlin (1999), and Whiskey School (2005).

A life member of The Actors Studio, she made her belated but Tony Award-winning Broadway debut - as 1979's Outstanding Featured Actress in a Musical - portraying "Mona Stangley" in the original production of The Best Little Whorehouse in Texas, a musical comedy adapted by her husband and fellow Studio member,  Peter Masterson, from a non-fiction article published in Playboy, in collaboration with the article's author, Larry L. King, and songwriter Carol Hall, and developed at length in workshop performances at the Studio.