Billie is a name that has been used for both boys and girls, but it has become more commonly used as a girl's name in recent years. It ranks in the top 1000 names for girls in the United States, Australia, and England and Wales.

Billie Holiday, born Eleanora Fagan, was an American jazz singer and songwriter who became one of the most influential musicians of the 20th century. She had a difficult life, including growing up in poverty and dealing with racism and drug addiction, but her music has continued to inspire people around the world. Billie Eilish is an American singer and songwriter who rose to fame in the late 2010s. She has won multiple Grammy Awards and has been praised for her unique style and willingness to tackle difficult subjects in her music.

Billie Piper is an English actress and singer who has appeared in television shows like "Doctor Who" and "Secret Diary of a Call Girl." She was born in 1982.