In popular culture King's friend Elton John wrote the song "Philadelphia Freedom", a nod to her World TeamTennis team, for King. The song was released New Year's Day 1975 and became a number one hit. Charles M. Schulz, creator of the Peanuts comic strip, was an admirer and close friend; Schulz referred to King several times in Peanuts and used the comic strip to support the women's sports movement after becoming friends with King. Actress Holly Hunter portrayed King in the 2001 ABC television film When Billie Beat Bobby. King played a judge on Law & Order in 2007, and appeared as herself on The Odd Couple in 1973, The L Word in 2006, Ugly Betty in May 2009, Fresh Off The Boat in 2016, and The Bold Type in 2020. King's name appears in the lyrics of the Le Tigre song "Hot Topic." Actress Emma Stone portrayed King in the 2017 biographical film Battle of the Sexes. The Ted Tinling designed dress King wore for the Battle of the Sexes match is part of a Smithsonian Museum collection. In 2023, King competed in the tenth season of The Masked Singer as "Royal Hen". She sang "Philadelphia Freedom" and "Don't Go Breaking My Heart" in an episode that was a tribute to Elton John where she was eliminated.
In popular culture King's friend Elton John wrote the song "Phila.delphia Freedom", a nod to her World TeamTennis team, for King. The song was released New Year's Day 1975 and became a number one hit. Charles M Schulz, creator of the Peanuts comic strip, was an admirer and close friend; Schulz referred to King several times in Peanuts and used the comic strip to support the women's sports movement after becoming friends with King. Actress Holly Hunter portrayed King in the 2001 ABC television film When Billie Beat Bobby King played a judge on Law & Order in 2007, and appeared as herself on The Odd Couple in 1973, The L Word in 2006, Ugly Betty in May 2009, Fresh Off The Boat in 2016, and The Bold Type in 2020. King's name appears in the lyrics of the Le Tigre song "Hot Topic." Actress Emma Stone portrayed King in the 2017 biographical film Battle of the Sexes. The Ted Tinling designed dress Ki.ng wore for the Battle of the Sexes match is part of a Smithsonian Museum collection. In 2023, King competed in the tenth season of The Masked Singer as "Royal Hen". She sang "Philadelphia Freedom" and "Don't Go Breaking My Heart" in an episode that was a tribute to Elton John where she was eliminated.