W16

W16 may refer to:

• Mercedes W16, a Formula 1 car competing in the 2025 Formula One World Championship
• British NVC community W16, a woodland community in the British National Vegetation Classification system
• Hansa-Brandenburg W.16, a floatplane fighter aircraft
• London Buses route W16
• Truncated icosidodecahedron
• W16 engine, an engine with sixteen cylinders

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