Tosca Musk (born 1974) is a South African-Canadian filmmaker. She is an executive producer, producer, and director of feature films, television programs, and web content. Her work includes K. Bromberg's Driven, Rachel van Dyken's Matchmaker's Playbook, and her web series, Tiki Bar TV. Her Hallmark television movie, Holiday Engagement^[1][2] was the most-watched television movie on Hallmark.^[3] Tosca is the sister of entrepreneurs Elon and Kimbal Musk and daughter of Maye Musk.^[4] She co-founded the streaming service Passionflix.

Musk was born in South Africa and grew up in Canada raised by her mother, Maye Musk. Tosca attended the University of British Columbia in the 1990s.^[5]

Musk produced and directed her first feature film, Puzzled, in 2001 with Musk Entertainment.^[6][7] Elon Musk was the film's executive producer. Soon thereafter, Musk produced the feature film, The Truth About Miranda, since followed by over a dozen features, television movies and series, including the teen horror film, Cruel World, the UK feature, The Heavy and the television drama, We Have Your Husband. In 2011, Musk produced three more television movies which aired on Lifetime and Hallmark in early 2012.

In 2005, Musk partnered with Jeff Macpherson to produce the web series, Tiki Bar TV. That same year, during the Macworld 2005 Keynote presentation (which introduced the iPod with Video) Steve Jobs showcased Tiki Bar TV to the audience as an example of a video podcast (a relatively new media format at the time) which could be loaded to the new video iPod using Apple's iTunes software.^[8]

Tiki Bar TV has been featured in Wired magazine,^[9] as well as in other media outlets.^[10][11][12] In July 2006, the show was featured in a profile on Jeff Macpherson in Forbes Magazine Celebrity 100 Issue as "one of the first breakout stars in the world of Internet television".

Musk is the CEO and co-founder of the OTT streaming platform Passionflix. Developed in 2017 with writer Joany Kane and producer Jina Panebianco, Passionflix focus' on bringing best selling romance novels to the screen. Tosca has directed several feature films for the platform including Alessandra Torre's Hollywood Dirt, Sylvia Day's Afterburn/Aftershock, Rachel van Dyken's The Matchmaker's Playbook, K. Bromberg's Driven, and Jodi Ellen Malpas' The Protector.^[13][14][15]

Musk is a mother of twins.^[19]