Chad Allan may refer to:

• Chad Allen (actor) (born 1974), American actor known for his role on Dr. Quinn: Medicine Woman
• Chad Allen (baseball) (born 1975), baseball outfielder formerly with the Minnesota Twins
• Chad Allan (musician) (born 1943), originally Allan Kowbel, Canadian guitarist, singer and television host
• Chad Allen (curler), Canadian curler

• Demigods
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• Demi-Gods and Semi-Devils
• Demi-Human
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• Demi-human
• Demi-Humans
• Demihumans
• Demi-humans
• Demi-john
• Demijohn Limited
• Demi-lich
• Demilich
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• Demilitarization
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• Demilitarized Zone
• Demilitarized Zone (Korea)
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• Demi-monde
• Demi Moore
• Deming