Libby may refer to:

Carly Elisabeth Simon (born June 25, 1945) is an American singer-songwriter, musician, and children's author. She rose to fame in the 1970s with a string of hit records, and has since been the recipient of two Grammy Awards, an Academy Award, and a Golden Globe Award for her work. Throughout her career, she has amassed 13 Top 40 hits including "You're So Vain", "Nobody Does It Better", and "Coming Around Again".

The former wife of another notable singer-songwriter, James Taylor, she has two children, Sarah "Sally" Maria Taylor and Ben Taylor, who are also musicians.

She was inducted into the Songwriters Hall of Fame in 1994.

Carly Simon was born in New York City, New York. Her father, of Jewish descent, was Richard L. Simon (co-founder of Simon & Schuster), a pianist who often played Chopin and Beethoven at home. Her mother was Andrea Louise Simon (née Heinemann), a civil rights activist and singer, of black and German descent. In a 2004 interview with fashion designer Michael Kors for the July issue of Interview Magazine, she revealed her full ancestry as Jewish, African, Cuban, and French.

Libby Holman (May 23, 1904 – June 18, 1971) was an American torch singer and stage actress who also achieved notoriety for her complex and unconventional personal life.

Elizabeth Lloyd Holzman was born May 23, 1904, in Cincinnati, Ohio to a Jewish lawyer and stockbroker, Alfred Holzman (August 20, 1867 - June 14, 1947) and his wife, Rachel Florence Workum Holzman (October 17, 1873 - April 22, 1966). Their other children were daughter Marion H. Holzman (January 25, 1901 - December 13, 1963) and son Alfred Paul Holzman (March 9, 1909 - April 19, 1992). In 1904, the wealthy family grew destitute after Holman's uncle Ross Holzman embezzled nearly $1 million of their stock brokerage business. At some point, Alfred changed the family name from Holzman to Holman. She graduated from Hughes High School on June 11, 1920, at the age of 16. She graduated from the University of Cincinnati on June 16, 1923, with a Bachelor of Arts degree. Libby Holman later subtracted two years from her age. insisting she was born in 1906. She gave the Social Security Administration 1906 as the year of her birth.

Libby Clegg (born March 24, 1990 in Bollington, Cheshire) is a professional disability runner from England. She represented Great Britain in the T12 100 m and 200 m at the 2008 Summer Paralympics, winning a silver medal in the T12 100 m race.

In January 2011, she competed in the IPC World Athletic Championships. Whilst there she took a bronze in the 200m. Libby is a Paralympic silver medallist and current World Champion in the T12 100m and 200m sprints. She suffers from a deteriorating eye condition known as Stargardt’s Macular Dystrophy disease giving her only slight peripheral vision in her left eye – she is registered blind. Despite this she has achieved an amazing amount for such a young athlete and was one of the major success stories from the recent IPC World Championships in New Zealand and IBSA World Championships in Turkey. Libby is currently sponsored by the estate agency ESPC- http://www.espc.com/news-events/blog/libby-clegg-april-blog No.1 for property in East Central Scotland. Libby participated in work experience for ESPC in 2008 during her time at The Royal Blind School.

Libby Titus (born Elizabeth Jurist on July 6, 1947 in Woodstock, New York) is a singer, songwriter, actress and concert producer. Although she released several solo albums in the 1970s and '80s, she is best known as the co-writer, with Eric Kaz, of "Love Has No Pride", a song recorded by many artists including Linda Ronstadt, Bonnie Raitt and Jane Monheit.

She has co-written songs with Steely Dan frontman Donald Fagen and performed with Dr. John on an album of children's songs. During the 1980s she performed and collaborated on songs with Burt Bacharach and Martin Mull.

Titus has also appeared in films including director Robert Frank's Energy and How to Get It and Mike Nichols' Heartburn. She performed voiceover songs for Penny Marshall's Awakenings.

Titus inspired Carly Simon's tune "Libby" (1976) and Dr. John's piano composition "Pretty Libby" (1982). Singer-songwriter Wendy Waldman wrote about their friendship in "Long Hot Summer Nights", on the album Strange Company (1978, Warner Bros., and anthologized on Love Is the Only Goal: The Best of Wendy Waldman (1996).