2020 Six Nations Championship

The 2020 Six Nations Championship (known as the Guinness Six Nations for sponsorship reasons) was the 21st Six Nations Championship, the annual rugby union competition contested by the national teams of England, France, Ireland, Italy, Scotland, and Wales, and the 126th edition of the competition (including all the tournament's previous versions as the Home Nations Championship and Five Nations Championship). The tournament began on 1 February 2020, and was scheduled to conclude on 14 March; however, due to the COVID-19 pandemic, Italy's penultimate match against Ireland and all three of the final weekend's matches were postponed with the intention of being rescheduled. It was the first time any match had been postponed since 2012, and the first time more than one match had been delayed since the outbreak of foot-and-mouth disease in 2001. In July 2020, a revised fixture schedule was announced, with the last four games being played in October.

England became the first team to win the title despite losing their first game since Wales did so in 2013. It was England's 39th title overall (including shared titles), drawing them level with the record Wales set the previous year, and extended their record of 29 outright titles.