Bille is a given name. Notable people with the name include:
Bille August (born 1948), Danish film and television director Bille Eltringham, British film and television director Bille Woodruff, American music and film director Nicki Bille Nielsen (born 1988), Danish footballer Billie Eilish (born 2001), American singer/writer
Bille can also be used as an abbreviation (nickname) of the name Sibylle (given female name).
See also Bille Brown (1952–2013), Australian actor and playwright