The Bangladesh cricket team toured Sri Lanka in April and May 2021 to play two Test matches. The Test series formed part of the inaugural 2019–2021 ICC World Test Championship. Originally, a three-Test tour was scheduled to take place in July and August 2020, but it was postponed to October 2020 due to the COVID-19 pandemic. In September 2020, the tour was postponed again, after both boards could not agree on the quarantine requirements for the series. In December 2020, the Bangladesh Cricket Board (BCB) were considering touring Sri Lanka in April 2021 to play two Test matches. In February 2021, the BCB confirmed that the tour of Sri Lanka would take place in April. On 19 March 2021, Sri Lanka Cricket (SLC) announced the dates for the tour.