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- Debra LaFave, schoolteacher who had sexual relations with minor student.
- Vivien Leigh, actress
- Jenifer Lewis, American actress, spoke about her diagnosis on Oprah in September 2007.
- Bill Lichtenstein, print and broadcast journalist and documentary filmmaker, profiled in Time magazine, October 10, 1994.
- Jack London, American author
- Demi Lovato, American actress, singer, Disney star, revealed her illness in April 2011 in an interview with People magazine.
Read more about this topic: List Of People With Bipolar Disorder