Baffin can mean:

Qikiqtaaluk Region, also called the Baffin Region, an administrative and census region of Nunavut, Canada
Baffin, Unorganized, part of the Baffin Region census division
South Baffin, a territorial electoral district (riding) for the Legislative Assembly of Nunavut
Baffin Island, an Arctic island of Nunavut
Baffin Island Current, an ocean current running south down the western side of Baffin Bay
Baffin Bay, a sea between the Atlantic and Arctic oceans
1933 Baffin Bay earthquake, a 7.3 magnitude earthquake that struck Greenland and Nunavut
Baffin Mountains, a mountain range running along the northeastern coast of Baffin Island
Baffin Region, Northwest Territories, a region of the Northwest Territories prior to division
Baffin Bay, Texas, a bay in South Texas, an inlet of the larger Laguna Madre
William Baffin, a 17th-century English navigator and discoverer
HMCS Baffin (T275), a World War II Isles class trawler of the Royal Canadian Navy
Blackburn Baffin, a torpedo bomber of the Fleet Air Arm