Salem Ludwig (July 31, 1915 – April 1, 2007) was an American character actor and highly esteemed acting instructor.

He is known for many films including: Life on the Ledge (2005, Grandfather), Unfaithful (2002, Man with Suitcase), The Business of Strangers (2001, Man at Pool), Fast Food, Fast Women (2000, Leo), The Object of My Affection (1998, Mr Shapiro), I'm Not Rappaport (1996, Walter), For Love Or Money (1993, Customer), Family Business (1989, Nat), Heartburn (1986, Judge), Endless Love (1981, Mr Switzer), The Arab Conspiracy (1976, Ghassan Kaddara), I Love You, Alice B. Toklas (1968, Mr Fine), What's So Bad About Feeling Good?

His television roles included attorney Solomon Rabinowitz, in an early episode of All in the Family Rabinowitz memorably advised Archie Bunker not to pursue a whiplash case, telling him "In a court of law, you can't beat a station wagon full of nuns."

He also played 2 roles on the NBC-TV afternoon daytime soap opera The Doctors in 1967 as Dr. Roth and again in 1975 as George Watson.

in 1985 he played Jules Rosenfeld, the dry cleaner, in the CBS-TV comedy series Kate & Allie.