The 2021 US Open will feature 156 players, including the top 60 players in the Official World Golf Ranking, the top 10 players from the 2020 Korn Ferry Tour regular season, and the top 10 players from the 2021 Korn Ferry Tour Finals. Additionally, the top 10 players from the 2020 US Open, the top 10 players from the 2021 US Open Qualifying Series, and the top 10 players from the 2021 US Open Sectional Qualifying will also be competing.
