Petroleum is a naturally occurring, flammable hydrocarbon. Look up petroleum in Wiktionary, the free dictionary. Petroleum may also refer to: Place names Petroleum, Indiana Petroleum, Kentucky Petroleum County, Montana Petroleum, West Virginia Arts "Petroleum", a song by Swedish band Kent from their 2012 album Jag är inte rädd för mörkret Petroleum (film), 1936 Mexican film See also Petrol (disambiguation) Gasoline (disambiguation) This disambiguation page lists articles associated with the title Petroleum.If an internal link led you here, you may wish to change the link to point directly to the intended article. Wikiwand - on Seamless Wikipedia browsing. On steroids.