Whalers may refer to:
- Danbury Whalers,US ice-hockey team in the
- Eden Whalers, Australian Rules Football team
- Hartford Whalers, former US ice-hockey team
- New Bedford Whalers, name of three US soccer teams
- Plymouth Whalers, US ice-hockey team in the Ontario Hockey League
- Sag Harbor Whalers, US collegiate summer baseball team
- Whalers Bluff Lighthouse, Victoria, Australia
- Whaling, whale hunting