A29 or A-29 may refer to:
Aircraft 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 autoroute, a road in France 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 A29 road (Sri Lanka), a road connecting Vavuniya and Horowpathana
Other uses HLA-A29, a human serotype Spasmolytic A29, a drug