Kathy Smith (born December 11, 1951) is a personal trainer who became well known for her workout videos during the late 1980s and 1990s. She has sold millions of videos and DVDs. Her first video was released in . She is 5' 9," 135 lbs.
Kathy lost her father from a heart attack when she was 17, and lost her mother in a plane crash. The tragedy in her life lead her to start running and doing aerobics. In college, she studied dance kinesiology, exercise physiology and nutrition. She went through a program at UCLA and became certified with IDEA and AFA as a fitness trainer. She also attended the University of Hawaii.
Kathy has produced and starred in twenty best-selling exercise videos, with over seven million copies sold. She invented the Air Bench step trainer and is also co-developer of Kathy Smith Fit-Caps, a line of additive-free vitamins.