Willapa may refer to:
Willapa people, an Athapaskan-speaking people in Washington, United States Willapa River, river on the Pacific coast of southwestern Washington, United States General Miles, a ship Willapa Electric Company, an electric railway and electric utility company incorporated on August 2, 1913 Willapa Bay, a bay located on the southwest Pacific coast of Washington state in the United States Willapa Hills, a geologic, physiographic, and geographic region in southwest Washington