Greased Lightning or Greased Lightnin' may refer to:

• Greased Lightning (1919 film), a silent comedy
• Greased Lightning (1928 film), an American silent Western
• Greased Lightning (1977 film), a biographical film about Wendell Scott
• "Greased Lightnin'" (song), from the musical Grease

• NASA GL-10 Greased Lightning, a 2014 unmanned aircraft
• Greased Lightning 150, 2007 American NASCAR race series
• Greased Lightning (professional wrestling), former name of tag team Pretty Deadly
• Greased Lightnin' or Greezed Lightnin', three separate installations of the Shuttle Loop roller coaster

• All pages with titles beginning with Greased Lightnin
• Lightning (disambiguation)

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