A29

A29 or A-29 may refer to:

• HLA-A29, a human serotype

Airplanes:

• A-29 Hudson, a Lockheed World War II aircraft
• Aero A.29, a Czech target tug floatplane of the 1920s
• Focke-Wulf A 29, a variant of the 1927 German Focke-Wulf A 17 airliner with a BMW VI engine
• A-29, another name of the Embraer EMB 314 Super Tucano

Roads:

• A29 road (England), a road connecting Capel and Bognor Regis
• A29 motorway (France), a road connecting Le Havre with the A26 autoroute at Saint-Quentin
• A 29 motorway (Germany), a road connecting Wilhelmshaven and Oldenburg
• Autostrada A29 (Italy), a road connecting Palermo and Mazara del Vallo
• A29 motorway (Netherlands), a road connecting Rotterdam and Steenbergen
• A29 road (Northern Ireland), a road connecting Portrush and Coleraine
• A 29 road (Sri Lanka), a road connecting Vavuniya and Horowpathana
• A29 auto-estrada (Portugal), a road connecting Aveiro to Porto

Other:

• One of the Encyclopaedia of Chess Openings codes for the English Opening in chess