Sundaram Jayalakshmi (25 July 1920 - 21 July 2007) was a Tamil film actress and singer who played lead parts in movies of the 1930s and 1940s. Starting her film career with Seetha Kalyanam in 1934, she acted in about a dozen movies, her most remembered role being in the 1943 movie Sivakavi.

She is the sister of musicians S. Rajam and S. Balachander.