The 2020 Scottish Open (officially the 2020 Matchroom.live Scottish Open) was a professional ranking snooker tournament, that took place on 7–13 December 2020 at the Marshall Arena in Milton Keynes, England. It was the sixth ranking event of the 2020–21 season and the third event of the Home Nations Series.
Mark Selby was the defending champion after a 9–6 defeat of Jack Lisowski in the 2019 final. He successfully defended his title, winning against Ronnie O'Sullivan 9–3. This was Selby's 19th career ranking title, and he became the second player, after Judd Trump, to win three Home Nations Series titles.
Zhou Yuelong made his second career maximum break in the third frame of his first-round match with Peter Lines.