约翰·威斯利·鲍威尔（John Wesley Powell，1834年－1902年），美国军人，地理学家，美国西部探险家。以1869年鲍威尔地理探险着称。曾任美国民族学局局长。

John Wesley Powell (March 24, 1834 – September 23, 1902) was a U.S. soldier, geologist, explorer of the American West, professor at Illinois Wesleyan University, and director of major scientific and cultural institutions. He is famous for the 1869 Powell Geographic Expedition, a three-month river trip down the Green and Colorado rivers, including the first known passage by Europeans through the Grand Canyon.