Kathryn Morrison is an American costume designer. She worked on the first season of Last Resort. She has worked with Last Resort co-creator Shawn Ryan on his earlier series The Shield and Terriers. She has been active since 1986 and has also worked on the films Salvador (1986) and Stand and Deliver (1988) and the series Once and Again, Studio 60 on the Sunset Strip, What About Brian, Brothers & Sisters, and My Own Worst Enemy. She has also worked on the Hawaii shot series Lost and Hawaii Five-O.