Lavoisier may refer to:

• Lavoisier (crater), a lunar crater
• Lavoisier Group, an organisation based in Australia
• Lavoisier Island, a sub-Antarctic island
• Lavoisier Medal, a chemistry award

People with the surname Lavoisier:

• Antoine Lavoisier (1743-1794), French nobleman
• John-Paul Lavoisier (born 1979), American actor

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