Barnstable may refer to:
- Places
- Barnstable, Massachusetts, a US city.
- Barnstable (village), Massachusetts, a village within the city of Barnstable.
- Barnstable County, Massachusetts, a county that contains the city of Barnstable, and that is roughly coterminous with Cape Cod.
- Barnstable Municipal Airport on Cape Cod.
- Barnstable Train Station in the city of Barnstable, Massachusetts.
- Barnstable, an obsolete spelling of Barnstaple, a town in Devon, England.
- Barnstable Bay, an alternative spelling of Barnstaple Bay, Devon, England.
- Barstable Hundred, a county subdivision in the county of Essex, England.
- People
- The Barnstable twins, Patricia and Cybil Barnstable, one of several sets of twins that promoted Doublemint gum as the "Doublemint Twins".