Ruby Rose Langenheim (born 20 March 1986), better known as Ruby Rose, is an Australian model, DJ, recording artist, actress, television presenter, and former MTV VJ. Rose emerged in the media spotlight as a presenter on MTV Australia, followed by several high-profile modelling gigs, notably as the face of Maybelline New York in Australia. In addition to her modelling career, she has co-hosted various television shows, namely Australia's Next Top Model and The Project on Network Ten.

Rose pursued a career in acting from 2008 onwards, with her debut performance in the Australian film Suite for Fleur. She had a small role in the drama Around the Block (2013), and came to North American fame for starring in seasons three and four of the Netflix series Orange Is the New Black. She has also had large roles in the action films Resident Evil: The Final Chapter (2016), xXx: Return of Xander Cage (2017), and John Wick: Chapter 2 (2017), and the musical comedy Pitch Perfect 3 (2017), and will appear in the film The Meg (2018), based on the novel of the same name.