Lucy Cotton (August 29, 1895 – 12 December 1948) was an American actress who appeared in 12 films between 1910 and 1921.
Cotton was born in Houston, Texas, United States and died in Miami Beach, Florida. She went to New York City in her teens and found her first role on Broadway in the chorus of The Quaker Girl. In 1915 Cotton appeared on stage in Polygamy at the Park Theatre in New York City. She then starred in the 1919 production of Up in Mabel's Room.
As a popular actress, her personal life was closely followed by the press. In 1924, she married Edward Russell Thomas, publisher of the New York Morning Telegraph. He died two years afterward, in July 1926, leaving a sizeable fortune of $27 million and a young daughter, Lucetta, behind. After that she had a series of marriages that did not last; Lytton Grey Ament (from 1927 to 1930), lawyer Charles Hann Jr. (from 1931 to divorce 1932), William M. Magraw, president of Manhattan's Underground Installations Company (from 1932 to 1941), and Prince Vladimir Eristavi-Tchitcherine (married June 15, 1941, at a Russian Orthodox Church in New York City).