Robert W. "Bob" Mickle was an American city planner, community leader, and activist from Des Moines, Iowa. He was active in his planning career for nearly 40 years. His lifelong commitment to community activism and volunteerism, is recognized to have had a lasting impact on the city of Des Moines. Among his accomplishments are the founding of the Des Moines Area Metropolitan Planning Organization, construction oversight of Des Moines' "Skywalks" footbridge system, and the Mickle Center.