Susanne Zenor (born November 26, 1946) is a retired American actress best known for the role of "Margo Anderman Horton" on Days of Our Lives.
She also appeared as one of Stockard Channing's victims on TV in Joan Rivers' dark comedy The Girl Most Likely To... (1973), which co-starred Edward Asner.
Zenor made many television guest appearances during the 1970s, in shows such as McMillan & Wife, Love, American Style, M*A*S*H, The Six Million Dollar Man, and Barnaby Jones.
In 1976, she appeared in ABC's original pilot for Three's Company playing the naive blonde, Samantha.
In 1977, Zenor started playing the role of Margo Anderman Horton on the soap opera Days of Our Lives.