Madawaska may refer to several places:
- in Canada
- Madawaska County, New Brunswick, Canada
- The Republic of Madawaska
- Madawaska River (Ontario)
- Madawaska River (Saint John), in Quebec and New Brunswick
- Madawaska, Ontario
- Madawaska Valley, Ontario
- The region around the Upper St John River in Maine and New Brunswick
- Camp Madawaska
- in the United States
- Madawaska, Maine, a town
- Madawaska (CDP), Maine, census-designated place within the above town