Mahendra Singh Dhoni ( born 7 July 1981), commonly known as MS Dhoni, is a former Indian cricketer and captain of the Indian national team in limited-overs formats from 2007 to 2017 and in Test cricket from 2008 to 2014, who plays as a Wicket-keeper-Batsman. He is also the current captain of Chennai Super Kings in the Indian Premier League. Under his captaincy, India won the 2007 ICC World Twenty20, the 2011 Cricket World Cup, and the 2013 ICC Champions Trophy, the most by any captain. He also led India to victory in the 2010 and 2016 Asia Cup. Additionally, under his leadership, India won the 2010 and 2011 ICC Test Mace and 2013 ICC ODI Championship. Dhoni is a right-handed wicket-keeper batsman known for his calm captaincy and his ability to finish matches in tight situations. He has scored 17,266 runs in International Cricket (including 10,000 plus runs in ODI Internationals) and is considered one of the best finishers in the game, as well as one of the greatest wicket-keepers and captains in the history of cricket.

Dhoni was contracted by the Chennai Super Kings (CSK) for US$1.5 million. This made him the most expensive player in the IPL for the first season auctions. Under his captaincy, CSK won the 2010, 2011, 2018 and the 2021 Indian Premier League titles and the 2010 and 2014 Champions League T20 titles and ended up as a runner-up in 2008, 2012, 2013, 2015 and 2019 leagueseasons.

MS Dhoni became the first player to play 200 T20 matches for Super Kings. Dhoni is at the top of the list of most matches played in the Indian Premier League. Dhoni is also one of the three captains to have won the Indian Premier League twice, with CSK.

M.S. Dhoni: The Untold Story is a 2016 Indian Hindi-language biographical sports drama film written and directed by Neeraj Pandey. It is based on the life of former Test, ODI and T20I captain of the Indian national cricket team, Mahendra Singh Dhoni. The film stars the late Sushant Singh Rajput as MS Dhoni, along with Disha Patani, Kiara Advani, and Anupam Kher. The film chronicles the life of Dhoni from a young age through a series of life events.

The idea of the biopic was put forward by Dhoni's manager, Arun Pandey, after encountering an incident at an airport after the 2011 Cricket World Cup Final. Development began two years later, with the consent of Dhoni. Neeraj Pandey was later approached to helm the film while he was working on Baby. Pandey recruited a number of people for researching into Dhoni's background and his life events. Dhoni eventually became a consultant on the film.

The film was released on 30 September 2016 by Fox Star Studios and received the widest release ever for a Bollywood film across 61 countries. In addition to being released in Hindi language, it was also dubbed in Tamil, Telugu, and Marathi languages, although the Marathi release was later cancelled due to opposition. Upon release, the film became a critical and commercial success. It is the fifth highest-grossing Bollywood film of 2016 and sixth highest grossing Indian film of 2016 worldwide ₹215.48 crore (US$27 million).