1st Regiment
{{about|military units|the album by The Alchemist|1st Infantry (album)}}
In military terms, 1st Regiment or 1st Infantry Regiment may refer to:
{{TOC right}}
Australia
France
Germany
Greece
Poland
Spain
South Africa
- Durban Light Infantry, formerly 1st Infantry (Durban Light Infantry)
Thailand
- 1st Infantry Regiment, King's Own Bodyguards
United Kingdom
- 1st (Royal) Regiment of Foot
- 1st Regiment of Foot Guards
- 1st Regiment Greek Light Infantry
- 1 Regiment RLC, a unit of the Royal Logistic Corps
- 1 Regiment Army Air Corps
United States
- 1st Infantry Regiment (United States)
- 1st Marine Regiment (United States)
- 1st Massachusetts Infantry Regiment, a unit in the American Civil War
- 1st Aviation Regiment (United States)
Yugoslavia
See also
{{Regiments by number}}
{{mil-unit-dis}}