Richard Louis Meier (1920 - February 26, 2007) was an US regional planner, systems theorist, scientist, urban scholar, and futurist, who was Professor in the College of Environmental Design at University of California at Berkeley. He was an early thinker on sustainability in planning, and recognized as a leading figure in city planning and development. He is not related to the New York-based architect Richard Meier, with whom he was often confused.