The 2020 Green Party presidential primaries were a series of primary elections, caucuses and state conventions in which voters elected delegates to represent a candidate for the Green Party's nominee for President of the United States at the 2020 Green National Convention. The primaries, were held in numerous U.S. states on various dates from early spring into early summer of 2020, and featured elections publicly funded, concurrent with the Democratic Party and Republican Party primaries, and elections privately funded by the Green Party, held non-concurrently with the major party primaries.

Howard Gresham Hawkins III is an American trade unionist, environmental activist, and perennial candidate from New York. A co-founder of the Green Party of the United States, Hawkins was the party's presidential nominee in the 2020 presidential election. His ideological platform includes enacting an eco-socialist version of the Green New Deal—which he first proposed in 2010—and building a viable, independent working-class political and social movement in opposition to the country's two major political parties, and capitalism in general.