Survivors include his wife, Jessica Walter, and stepdaughter Brooke Bowman, a drama programming and development executive at Fox Broadcasting.
Throughout his lengthy career, Leibman held roles in television, on the stage, and in film.
He played a doctor in several episodes of "The Sopranos", but he was perhaps best known on television for his role in the long-running sitcom "Friends", where he played Leonard Green, the father of Rachel, the character played by Jennifer Aniston.
Tony Award-winning actor, Ron Leibman, who originated the role of Roy Cohn in the original Broadway production of Angels In America has passed away. The two had been married since 1983 and even played husband and wife in the adult TV animated series Archer in 2009.
He also played the handsome union organiser, Reuben Warshowsky, who helps convince Sally Field's Norma Rae to unionise her cotton mill. I love that show, and I want to meet those kids'.
He added: "I said, 'All right".
"So I did and had a very nice time, and they asked me back, and my daughter did get to meet those kids, so I was a big hero in the house".
Following the news of his death, many fans and friends of the star paid a tribute on social media.
Award-winning actor Ron Leibman has died at the age of 82.
Ron Leibman, from left, his wife Linda Lavin, playwright Neil Simon and Dinah Manoff in NY following the opening of the play "I Ought to be in Pictures", on April 3, 1980.
"Thank you, Ron. For my being my champion. A brilliant role in Friends, one of many".
"So numerous best memories of my career have Ron Leibman in them".