Kathryn ("Kathy") A. Colin (born February 6, 1974) is an American sprint canoer who competed in the early to mid-2000s. She won two medals at the 2003 Pan American Games in Santo Domingo, Dominican Republic with a gold in the K-2 500 m event and a silver in the K-4 500 m event.
Colin also competed in two Summer Olympics, but was eliminated in the semifinals of each of the four events she competed.