Melanie Thandiwe Newton OBE (born 6 November 1972), is an English actress.

She has received various awards including a Primetime Emmy Award and a British Academy Film Award, in addition to nominations for two Golden Globe Awards.

Title 3Newton is known for starring roles such as the title character in Beloved (1998), Nyah Nordoff-Hall in Mission: Impossible 2 (2000), Christine in Crash (2004), for which she received a BAFTA Award for Best Actress in a Supporting Role,

Linda in The Pursuit of Happyness (2006), Stella in RockNRolla (2008), Condoleezza Rice in W. (2008), Laura Wilson in 2012 (2009), and Val in Solo: A Star Wars Story (2018).

Since 2016, Newton has played the sentient android, the madam Maeve Millay, in the HBO science fiction-western series Westworld, for which she received a Primetime Emmy Award for Outstanding Supporting Actress in a Drama Series and two Critics Choice Awards, as well as nominations for a Golden Globe Award, Saturn Award, and Screen Actors Guild Award.

In 2017, she portrayed DCI Roz Huntley in the BBC drama series Line of Duty, which earned her a nomination for the British Academy Television Award for Best Actress.

Newton was appointed Officer of the Order of the British Empire (OBE) in the 2019 New Year Honours for services to film and to charity.

In April 2021, Newton, having formerly been credited as Thandie Newton, announced she was restoring the spelling of her name and would now be credited as Thandiwe Newton, beginning with Reminiscence (2021).