Chloe Rose Lattanzi (born January 17, 1986) is an American singer and actress.

Lattanzi was born on January 17, 1986, at Cedars-Sinai Medical Center in Los Angeles, California. She is the daughter of singer and actress Olivia Newton-John and actor Matt Lattanzi. Her parents divorced amicably in 1995. One of her maternal great-grandfathers was Nobel Prize–winning physicist Max Born.

Since turning 18, Lattanzi has undergone numerous plastic surgery procedures, reportedly to a value in excess of $500,000. In 2013, she was treated for cocaine addiction. In 2017, she moved with her fiancé, martial arts trainer James Driskill to Portland, Oregon, where they bought a farm and started a marijuana business.

In 2002, Lattanzi portrayed Chrissy in a Melbourne stage production of the 1960s musical Hair.

Lattanzi is the writer of "Can I Trust Your Arms", which appeared on her mother's 2005 album Stronger Than Before.

In 2008, Lattanzi appeared on the reality show Rock the Cradle, finishing in third place, following Jesse Blaze Snider and Crosby Loggins.

In October 2010, Lattanzi's debut single "Wings and a Gun" was released digitally in Japan.