Herath Mudiyanselage Rangana Keerthi Bandara Herath, commonly known as Rangana Herath (Sinhalese: ???? ?????;Tamil: ????? ?????;born 19 March 1978), is a professional Sri Lankan Test cricketer, and a former Test captain for Sri Lanka. Though he retired from limited over internationals, Herath is currently active in Test arena as the premier spinner for Sri Lanka. Considered as one of the greatest spin bowlers in the history of the game, Herath is a specialist left-arm bowler for Sri Lanka and holds the record of best bowling figures in Test matches by a left-arm spinner. On 11 March 2017, Herath surpassed 362 wickets by Daniel Vettori to become the most successful left-arm spinner in Test cricket history. He is the first left-arm spinner to take 400 Test wickets. On 10 February 2018 during Bangladesh tour, Herath became the most successful left-arm bowler in Test cricket history by surpassing Wasim Akram.

On 29 May 2016, Herath became the third Sri Lankan bowler to take 300 wickets in Test cricket history after Muttiah Muralitharan and Chaminda Vaas. On 8 November 2016, Herath became only the third bowler in history to take five-wicket hauls against all Test-playing nations. On 2 October 2017, he became the second Sri Lankan bowler to take 400 test wickets. He is the oldest player to reach 350 as well as 400 Test wickets.

On 23 October 2016, Herath was announced as captain for Sri Lanka tour to Zimbabwe. Angelo Mathews, the regular captain, was injured. With this he became the oldest Sri Lankan player to lead a Test team for the first time and from any country since Tom Graveney in 1968.