Leopoldo Marechal was one of the most important Argentine writers of the twentieth century.

Leopoldo Marenco was an Italian dramatic poet, now known as a librettist.

Leopoldo María Panero was a Spanish poet and member of the Novísimos group. His work is included in many works of literary history, anthologies, and academic programs across Spain. Much of his work is considered autobiographical.

Leopoldo Zea Aguilar was a Mexican philosopher.

Lera Auerbach is a Soviet-born Austrian-American classical composer, conductor and concert pianist.

Leroy "Roy" F. Aarons was an American journalist, editor, author, playwright, founder of the National Lesbian and Gay Journalists Association (NLGJA), and founding member of the Robert C. Maynard Institute for Journalism Education. In 2005 he was inducted into the NLGJA Hall of Fame.

Leroy Scott (May 11, 1875 – July 21, 1929) was an American writer of novels and screenplays.

Leslie Noel Daniels III, better known as Les Daniels, was an American writer.

Leslie Allan Murray was an Australian poet, anthologist, and critic. His career spanned over 40 years and he published nearly 30 volumes of poetry as well as two verse novels and collections of his prose writings.

Les Parrott is an American author of Christian self-help books, a professor of psychology at Northwest University, and an ordained Nazarene minister. He is the creator of the SYMBIS Assessment, and founder of the Parrott Institute for Healthy Relationships at Olivet Nazarene University. He and his wife, Leslie Parrott, are the founders of the Center for Relationship Development at Seattle Pacific University where they taught courses out of the Marriage and Family Therapy and psychology departments.