Heather McAdam (born January 24, 1968) is an American actress and yoga instructor.
McAdam's major acting projects have included the roles of Catherine "Cat" Margolis in the television series Sisters (1991"96), Dwana Pusser in Walking Tall (1981), and Michelle Ryan in Salvage 1 (1979). She has also made guest appearances on several other TV shows including Touched by an Angel, Beverly Hills 90210, Quantum Leap, and The Facts of Life.