| Intro | British general |
| Was | Military personnel |
| From | United Kingdom |
| Type | Military |
| Gender | male |
| Birth | 3 June 1870 |
| Death |
17 August 1941 (aged 71 years) |
| Star sign | Gemini |
Major-General Sir Sydney D’Aguilar Crookshank KCMG CB CIE DSO MVO (3 June 1870 – 17 August 1941) was a British military engineer who served with the Royal Engineers in the British Army and the British Indian Army. Most of his early career was spent in colonial service; he later served as a senior officer during the First World War.