Indigo: Women of Song

Indigo: Women of Song is the nineteenth studio album by Australian singer Olivia Newton-John, released on October 17, 2004, via Sony Music. The album features several cover songs from artists such as Burt Bacharach and Hal David, Antônio Carlos Jobim, Nancy Wilson, Julie London, and Minnie Riperton. Commercially, the album peaked at number fifteen in Australia.

As with her album, (2) (2002), no singles were released from the album.