Robert "Rob" Marshall is an American director and choreographer.

Marshall's collaboration with Disney began in 1997, when he worked as a choreographer on Rodgers & Hammerstein's Cinderella. Two years later, Marshall made his directing debut with the 1999 remake of Annie.

In 2002, Marshall directed the musical Chicago for Miramax Films. Chicago marked the first time in 34 years that a musical won an Academy Award for Best Picture. Marshall later returned to Disney to direct the the fourth installment of Pirates of the Caribbean, the musical Into the Woods, and the Mary Poppins sequel, Mary Poppins Returns. He will direct the upcoming live-action The Little Mermaid remake.

Marshall is also the older brother of choreographer and theatre director Kathleen Marshall.