Whatcom may refer to Whatcom County, Washington, USA, or to several places and entities therein:

Lake Whatcom Whatcom Creek drains Lake Whatcom into Bellingham Bay Whatcom Falls Park, Bellingham, containing the upper part of Whatcom Creek Whatcom Peak, North Cascades National Park Whatcom Glacier, North Cascades National Park Whatcom Trail, a gold prospectors' trail from Bellingham Bay to the upper Fraser Valley Whatcom County Council Whatcom Community College, Bellingham Whatcom Middle School, Bellingham School District

See also

New Whatcom, one of the towns in Whatcom County that merged to form Bellingham, Washington New Whatcom Normal School, former name of Western Washington University