Largest mortar (weapon)
- Who
- Royal Armouries
- What
- 91.4 centimetre(s)
- Where
- United Kingdom
- When
- 1857
The largest mortars ever constructed were Mallet's mortar (Woolwich Arsenal, London, UK 1857) and the Little David of World War II, made in the USA. Each had a calibre of 91.4 cm (36 in), but neither was ever used in action.