Edith Atwater (April 22, 1911 – March 14, 1986) was an American stage, film, and television actress.

Her other television work included appearances on The Rockford Files, Hazel, Knots Landing, and numerous other series.

Atwater's work on Broadway included performances in Flahooley (1951), King Lear (1950), Metropole (1949), The Gentleman From Athens (1947), Parlor Story (1947), State of the Union (1945), R.U.R.

(1942), Broken Journey (1942), Johnny on a Spot (1942), Retreat to Pleasure (1940), The Man Who Came to Dinner (1939), Susan and God (1937), The Masque of Kings (1937), The Country Wife (1936), This Our House (1935), Brittle Heaven (1934), Are You Decent (1934), and Springtime for Henry (1931).

Atwater's likeness was drawn in caricature by Alex Gard for Sardi's, the theatre-district restaurant in New York City.