Kathryn Joosten (born December 20, 1939 - June 2, 2012) was an American television actress best known for her regular role as Karen McCluskey in Desperate Housewives and for her recurring role in The West Wing as Dolores Landingham.

Joosten was born on December 20, 1939 in Chicago, Illinois and died on June 2, 2012 from lung cancer in Westlake Village, California.

Joosten provided the voice of Hazel in "Sex and the Biddy".