Diana Muldaur  is an American actress.

Muldaur was born in Brooklyn, New York and raised in Martha’s Vineyard.

Muldaur started acting in high school and continued on through college, graduating from Sweet Briar College in Virginia in 1960. She studied acting under Stella Adler, and made her name on the New York stage.

Muldaur's television roles include Rosalind Shays on L.A. Law and Dr. Katherine Pulaski in the second season of Star Trek: The Next Generation. She also appeared in two episodes of Star Trek: The Original Series in the late 1960s, playing two different roles. She has been nominated for an Emmy twice as a supporting actress on L.A. Law in 1990 and 1991.

Muldaur served as president of the Television Academy.