A45 or A-45 may refer to:
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A45 Infantry Support Tank, the chassis of which was developed into the Conqueror tank
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A45 Records, a German record label notably producing the band
Real McCoy
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Article 45 Concern Group
Basic Law Article 45 Concern Group was a pro-democracy political group in the Hong Kong Special Administrative Region of the People's Republic of China (HKSAR) . It was established on 14 November 2003 by legal practitioners and academics. It ha ...
, a political party in Hong Kong
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Indian Defence
In the game of chess, Indian Defence or Indian Game is a broad term for a group of chess opening, openings characterised by the moves:
: 1. b:Chess Opening Theory/1. d4, d4 b:Chess Opening Theory/1. d4/1...Nf6, Nf6
They are all to varying degrees ...
, Encyclopaedia of Chess Openings code
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A45 AMG, a performance compact car produced by Mercedes-Benz
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Sisu A-45, a Finnish military truck
;Roads
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A45 road
The A45 is a major road in England. It runs east from Birmingham past the National Exhibition Centre and the M42 motorway, M42, then bypasses Coventry and Rugby, Warwickshire, Rugby, where it briefly merges with the M45 motorway, M45 until it ...
, a road connecting Birmingham and Thrapston in England
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Autovía A-45, a road connecting Malaga and Cordoba in Spain
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Bundesautobahn 45, a road connecting Dortmund and Aschaffenburg in Germany
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A45 autoroute, a proposed motorway connecting Lyon and Saint-Étienne in France
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