Deep green may refer to:

• Any dark or rich shade of green
• Deep Green, decision-making support system for United States Army commanders
• Deep Green Resistance, a branch of radical environmental theory and its associated movement
• Deep ecology, an ecological and environmental philosophy
• "Deep Green", a song by Big Red Machine from their self-titled album
• "Deep Green", an album by Jack Lancaster

This disambiguation page lists articles associated with the title Deep green.
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