2020 Moto3 World Championship

The season calendar has been significantly affected by the COVID-19 pandemic, leading to the cancellation or postponement of many races.

Albert Arenas won the Riders' championship while riding a KTM RC250GP.

Honda won its fourth straight Constructors' championship and its 20th overall in the Moto3 class.

The following Grands Prix are scheduled to take place in 2020:[22][23] The following rounds were included on the original calendar, but were cancelled in response to the COVID-19 pandemic:[34] The season calendar has been significantly affected by the COVID-19 pandemic, leading to the cancellation or postponement of many races.

The teams' standings were based on results obtained by regular and substitute riders.