Petroleum is a naturally-occurring, flammable hydrocarbon.

Petroleum may also refer to:

• Petroleum coke
• Petroleum engineering
• Petroleum ether
• Petroleum extraction
• Petroleum geochemistry
• Petroleum geology
• The petroleum industry
• The Petroleum Institute
• Petroleum jelly
• Petroleum politics
• A Petroleum product
• A petroleum reservoir
• Liquefied petroleum gas
• Strategic Petroleum Reserve

Place names

• Petroleum, Indiana
• Petroleum County, Montana
• Petroleum, West Virginia

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