The 2020–21 Portland Trail Blazers season was the franchise's 51st season in the National Basketball Association (NBA).
The Trail Blazers entered the season following a playoff defeat from the Los Angeles Lakers in the first round of the play-in tournament.
After the Toronto Raptors and Houston Rockets failed to qualify for the postseason for the first time since the 2012-13 and 2011-12 season respectively, the Trail Blazers now hold the longest active playoff streak in the NBA qualifying every year since the 2013-14 season.
In the first round, the Trail Blazers faced the Denver Nuggets where they lost to them in six games.
Following the playoff exit, the Trail Blazers and head coach Terry Stotts mutually agreed to part ways after nine years.