Allenby Gardens is a western suburb of Adelaide, South Australia. It is located in the City of Charles Sturt.
Laid out in 1922, the suburb was briefly advertised as Gallipoli Gardens before being named Allenby Gardens in honour of the British Field Marshal, Lord Allenby.
The first Allenby Gardens Post Office was renamed West Croydon, South Australia on 1 March 1945; on the same day a new office opened within the present boundaries of the suburb.
Allenby Gardens Primary School is located on Barham Street. It been in operation since 1926.
Coordinates: 34°54′14″S 138°33′18″E / 34.904°S 138.555°E