Endeavour or endeavor may refer to:
Fictional characters
- Endeavour Morse, central character of the Inspector Morse novels by Colin Dexter
- Endeavor, the hero name for the character Enji Todoroki from the anime series My Hero Academia
- Endeavor
- Endeavour
- Endeavour (crater), on Mars
- Endeavour, Saskatchewan, a village in Saskatchewan, Canada
- Endeavour, Trinidad and Tobago, a district of the Borough of Chaguanas
- Endeavour Bank, a submarine mountain in the North Atlantic
- Endeavour Hydrothermal Vents, a group of hydrothermal vents in the northeastern Pacific Ocean
- Endeavour Massif, a massif in Victoria Land, Antarctica
- Endeavour Piedmont Glacier, a glacier on Ross Island near Antarctica
- Endeavour Reef, north of Cape Tribulation, Queensland
- Endeavour River, in Far North Queensland, Australia
- Endeavour Strait, running between the Australian mainland and Prince of Wales Island
- Monstercat 019 - Endeavour, the 19th compilation album released by the Monstercat record label
Ships
- Endeavour (yacht), a 1934 J-class yacht
- Endeavour II (barque), wrecked in New Zealand in 1971
- HMS Endeavour, a bark in the Royal Navy 1768–1775, commanded by James Cook
- HMS Endeavour replica, a modern replica of the former
- The schooner Endeavour, which unsuccessfully attempted to salvage L'Enterprise in 1803.
- HMNZS Endeavour, any of three ships of the Royal New Zealand Navy
- STS Young Endeavour, a 1987 sail training ship operated by the Australian Navy
- National Geographic Endeavour, exploration ship of the U.S. National Geographic Society
- RV Endeavor, an Alaskan research vessel of the U.S. National Science Foundation