Red green or Red Green may refer to:

Politics Eco-socialism, an ideology merging aspects of Marxism, socialism, green politics, ecology and alter-globalization Islamo-leftism, a political alliance of leftist (red) and Islamist (green) political movements Red-green alliance, an alliance of "red" social democratic or democratic socialist parties with "green" environmentalist parties Red-Green Alliance (Denmark), a revolutionary socialist and environmentalist political party in Denmark Red-Green Coalition, a centre-left coalition of Norwegian left-wing and environmentalist parties Red-Greens (Sweden), a cooperation of red (leftist) and green (environmentalist) political parties in Sweden

People Red Green (ice hockey) (1899–1966), Canadian professional ice hockey left winger Steve Smith (comedian) (born 1945), Canadian comedian who portrayed his Red Green alterego on The Red Green Show

See also Red–green color blindness, the inability to perceive differences between some of the colors that others can distinguish The Red Green Show (1991–2006), a Canadian television comedy RG color space, a color space that uses only two colors, red and green