Oiler may refer to:
Ships Replenishment oiler, a naval auxiliary ship with fuel tanks and dry cargo holds which can supply both fuel and dry stores to other ships during underway replenishment at sea Oil tanker, a ship designed for the bulk transport of oil or its products
Sports Cape Breton Oilers, a former American Hockey League team City Oilers, Ugandan basketball team Edmonton Oilers, a National Hockey League team based in Edmonton, Alberta, Canada Esport Oilers, a Finnish F-liiga floorball team Houston Oilers, a former National Football League team, now the Tennessee Titans Southern District Oilers, a division 1 American football team based in Adelaide, Australia Stavanger Oilers, an ice hockey team based in Stavanger, Norway Tulsa Oilers, an ECHL ice hockey team based in Tulsa, Oklahoma, United States
Other Oil can, a can that holds oil for lubricating machines Oiler (occupation), a worker whose main job is to oil machinery Oiler (Transformers), a fictional Transformers character The Oiler, a character in the 1897 short story "The Open Boat" by Stephen Crane Slang for diesel engine
See also Euler (disambiguation)