Oscar S. Lerman (September 7, 1919 – March 2, 1992) was an American nightclub impresario, theatre and film producer, and the second husband of British novelist Jackie Collins, from 1965 until his death in 1992, whom he persuaded to write.

In 1978–79, he was a producer of the films The Stud, The World Is Full of Married Men, and The Bitch, all based on his wife's books.

[4] In 1969, Lerman opened the members-only nightclub Tramp in London's Jermyn Street which he co-owned with Johnny Gold and Bill Ofner.

[5][6] The opening night was attended by Joan and Jackie Collins, Michael Caine, Roger Moore, and Natalie Wood.

[10] In 1965, Lerman married the British novelist Jackie Collins, 18 years his junior, whom he had met on a blind date.