List of British armies in the First World War
# List of British armies in the First World War

This page is a list of British army-level formations existing during the First World War.

## Expeditionary Forces

* British Expeditionary Force (BEF)
   * First Army
   * Second Army
   * Third Army
   * Fourth Army
   * Fifth Army (originally the Reserve Army)
* Mediterranean Expeditionary Force (MEF)
   * Dardanelles Army
   * Egyptian Expeditionary Force (EEF)
   * British Salonika Army (BSF)
* Mesopotamian Expeditionary Force
* British Force in Italy

## Home Forces

* Central Force
   * First Army
   * Second Army
   * Third Army
* Northern Army
* Southern Army
