The 2020 Barcelona FIA Formula 3 round is a motor racing event held on 15 and 16 August 2020 at the Circuit de Barcelona-Catalunya in Montmeló, Catalonia, Spain.

It was the sixth round of the 2020 FIA Formula 3 Championship, and ran in support of the 2020 Spanish Grand Prix.

After having replaced Enaam Ahmed for the rounds at Silverstone, Ben Barnicoat returned to the British GT Championship with McLaren.

The Brit was replaced by one-time F3 race winner Leonardo Pulcini.

[1] The Qualifying session took place on 14 August 2020, with Logan Sargeant scoring pole position for the third weekend in a row.