Subha Nagalakshmi Munchetty-Chendriah (born 25 February 1975), known professionally as Naga Munchetty, is a British television presenter, newsreader and journalist. She is a regular presenter on BBC Breakfast, and hosts an 11am–2pm programme from Monday to Wednesday on BBC Radio 5 Live, including "Must Watch with Scott Bryan and Hayley Campbell" on Mondays. She is also a former presenter of BBC World News and BBC Two's weekday financial affairs programme Working Lunch.

Munchetty grew up in Leytonstone, Camberwell, Peckham and Streatham, south London. Her mother, Muthu, is from Tamil Nadu in India and her father is from Mauritius. They met when both were studying in Wales, her mother training to be a dentist and her father to be a nurse. They married in London in 1974, without the knowledge or approval of their parents. She has one sister, born in 1976. Her early education was at Graveney School in Tooting. She studied English Literature and Language at the University of Leeds, graduating in 1997. Her first job was as a journalist on the City Pages of the London Evening Standard. She also worked on the Business Section of The Observer.

Munchetty's television career began as a reporter for Reuters Financial Television, after which she worked as a senior producer for CNBC Europe, a business producer and reporter for Channel 4 News and a presenter on Bloomberg Television.

Munchetty joined Working Lunch after the show was revamped in October 2008 and stayed with the programme until it was cancelled in July 2010. Munchetty has hosted Radio 4's Money Box. She also reports from the City for BBC News, gauging the reaction to breaking financial stories such as the Budget, and the Pre-Budget Report.

Since August 2010, Munchetty has presented early morning bulletins, formerly known as The World Today alongside Sally Bundock on the BBC News Channel, BBC One and BBC World News. She joined Breakfast in April 2009 as a stand-in presenter and has been a regular presenter since 2014, presenting with Charlie Stayt on Thursdays to Saturdays. From January 2021, Munchetty became the presenter on the 10am to 1pm Radio 5 programme on Mondays to Wednesdays replacing Emma Barnett, who moved to Radio 4's Woman's Hour. Munchetty co-hosted The Spending Review – The South Today Debate on BBC One with Sally Taylor in September 2010.

Munchetty also presented Paranormal Investigation: Live on Living on 30–31 October 2010 to celebrate Halloween. Munchetty narrated the BBC documentary Fear and Faith in Paris looking at anti-Semitic attacks in Paris and their impact on the Jewish community of France. She won Celebrity Mastermind, which was broadcast on 2 January 2013. In June 2016, she replaced Sian Williams as presenter of Sunday Morning Live on BBC One. In 2017, she was replaced by Emma Barnett and Sean Fletcher. On 26 August 2016, Munchetty presented an episode of Newsnight on BBC Two.

She was a contestant on the fourteenth series of Strictly Come Dancing, having been paired with Pasha Kovalev, and being voted out in week four (16 October 2016). She co-presented Britain's Classroom Heroes with Sean Fletcher in October 2017.

In 2017, Munchetty joined the cast of CBBC sketch show Class Dismissed playing a fictionalised version of herself as a Media Studies teacher who acts like a newsreader.