A45

A45 or A-45 may refer to:

• A45 Infantry Support Tank, the chassis of which was developed into the Conqueror tank
• A45 Records, a German record label notably producing the band Real McCoy
• Article 45 Concern Group, a political party in Hong Kong
• Indian Defence, Encyclopaedia of Chess Openings code
• A45 AMG, a performance compact car produced by Mercedes-Benz
• Sisu A-45, a Finnish military truck

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• A45 road, a road connecting Birmingham and Thrapston in England
• Autovía A-45, a road connecting Malaga and Cordoba in Spain
• Bundesautobahn 45, a road connecting Dortmund and Aschaffenburg in Germany
• A45 autoroute, a proposed motorway connecting Lyon and Saint-Étienne in France