Kerry Weaver is a fictional character, a physician, from the NBC television series ER. The role is portrayed by Laura Innes, who debuts as a recurring character in the second-season episode "Welcome Back, Carter!", which aired on September 21, 1995. Innes was promoted to the role of series regular as of the third-season episode "Dr. Carter, I Presume", which aired on September 26, 1996, and made her last regular appearance in the thirteenth-season episode "A House Divided", which aired on January 11, 2007.

ER is an American medical drama television series created by Michael Crichton that aired on NBC from September 19, 1994, to April 2, 2009, with a total of 331 episodes spanning 15 seasons. It was produced by Constant c Productions and Amblin Television, in association with Warner Bros. Television. ER follows the inner life of the emergency room (ER) of Cook County General Hospital in Chicago, and various critical issues faced by the department's physicians and staff.