John Armstrong
- Died:
- 21 January 1821
- Rank:
- Constable
- Force:
- Officer of the Worship Street Public Office, Middlesex
- Cause:
- Medical
- Duty Status:
- On Duty
Roll of Honour Citation
Died from the injuries he sustained a few days earlier while on duty in Spitalfields when he remonstrated with a riotous group of men who responded by mercilessly beating him.