General Alexander
- Alexander (Aetolian general)
- Alexander (Antigonid general)
- Alexander (son of Polyperchon)
- David Alexander (Royal Marines officer)
- David Alexander-Sinclair
- David Anderson (British Army officer)
- Edward McGill Alexander
- Edward Porter Alexander
- Ernest Alexander
- Harold Alexander, 1st Earl Alexander of Tunis
- Henry Templer Alexander
- Keith B. Alexander
- Milton Alexander
- Prince Charles Alexander of Lorraine
- Robert Alexander (United States Army officer)
- Ronald Okeden Alexander
- William Alexander (Glasgow MP)
- William Alexander, Lord Stirling