- Patron saint of military chaplains
- See: St. John of Capistrano and St. Martin of Tours
- Patron saint of alpine troops
- See: St. Maurice
- Patron saint of armed forces
- See: St. Michael
- Patron saint of armies
- See: St. Maurice
- Patron saint of armorers
- See: St. Maurice
- Patron saint of artillery
- See: St. Barbara. The Order of Saint Barbara is awarded by the US Army Field Artillery Association.
- Patron saint of aviators
- See: St. Joseph of Cupertino and St. Matthew
- Patron saint of cavalry
- See: St. Martin of Tours and Saint George. The Order of Saint George is awarded by the US Army Armor Association.
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- Patron saint of civil servants
- See: St. Matthew
- Patron saint of infantrymen
- See: St. Maurice. The Order of Saint Maurice is awarded by the National Infantry Association (US).
- Patron saint of military intelligence
- See: St. Nicholas
- Patron saint of paratroopers
- See: St. Joseph of Cupertino and St. Michael
- Patron saint of quartermasters
- See: St. Martin of Tours and Military Order of Saint Martin
- Patron saint of soldiers
- See: St. Joan of Arc, St. Martin of Tours, St. Maurice, and St. Sebastian
- Patron saint of swordsmiths
- See: St. Maurice
- Patron saint of U.S. Special Forces
- See: St. Philip Neri
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