• Oiler (ship), a type of nautical ship
• Slang for diesel engine
  Diesel engine
  A diesel engine is an internal combustion engine that uses the heat of compression to initiate ignition to burn the fuel, which is injected into the combustion chamber...
  
  
• Oiler (occupation)
  Oiler (occupation)
  An oiler is a worker whose main job is to oil machinery. In previous eras there were oiler positions in various industries, including maritime work , railroading, steelmaking, and mining...
  
  , an occupation
  • Any person who works in the oilpatch from a derrickhand
    Derrickhand
    The Derrickhand or Derrickman position varies greatly from one drilling rig to another. He almost always reports directly to the driller. The name derrickman comes from the position that he normally occupies, which is at the top of the derrick...
    
     to a toolpush
• The Oiler, an unnamed character in The Open Boat
  The Open Boat
  "The Open Boat" is a short story by American author Stephen Crane . First published in 1897, it was based on Crane's experience of surviving a shipwreck off the coast of Florida earlier that year while traveling to Cuba to work as a newspaper correspondent. Crane was stranded at sea for thirty...
  
   by Stephen Crane
• Oiler (Transformers), a fictional Transformers character
• Oil can
  Oil can
  An oil can is a can that holds oil for lubricating machines. An oil can can also be used to fill oil-based lanterns...
  
  

Sports

• Edmonton Oilers
  Edmonton Oilers
  The Edmonton Oilers are a professional ice hockey team based in Edmonton, Alberta, Canada. They are members of the Northwest Division in the Western Conference of the National Hockey League ....
  
  , a National Hockey League team based in Edmonton, Alberta, Canada
• Cape Breton Oilers
  Cape Breton Oilers
  The Cape Breton Oilers were a professional ice hockey team in the American Hockey League. The team relocated from Halifax, Nova Scotia, in 1988 and was renamed for Cape Breton Island. Home games were played in Sydney, Nova Scotia, Canada, at Centre 200...
  
  , a former American Hockey League team
• Houston Oilers, a former National Football League team
• Stavanger Oilers
  Stavanger Oilers
  Stavanger Oilers is an ice hockey club from Stavanger, Norway. They currently play in the GET-ligaen, which is the top division in Norwegian ice hockey. The club's official name is Stavanger Ishockeyklubb, but it is commonly known as Oilers...
  
  , an ice hockey team based in Stavanger, Norway participating in the GET-ligaen
• Southern District Oilers
  Southern District Oilers
  Southern District Oilers are a Gridiron team from Adelaide in the State of South Australia in Australia. They play in the South Australian Gridiron Association league.-History:...
  
  , a division 1 American football team based in Adelaide, Australia