15th Brigade
15th Brigade or 15th Infantry Brigade may refer to:
Australia
Brazil
- 15th Brigade (Brazil)
Greece
Hungary
India
Indonesia
Japan
New Zealand
Romania
Russia
Slovenia
Soviet Union
Spain
Ukraine
United Kingdom
- 15th Anti-Aircraft Brigade
- 15th Infantry Brigade (United Kingdom)
- 15th Mounted Brigade
- 15th Reserve Brigade
Artillery units
- 15th Brigade Royal Field Artillery
- XV Brigade, Royal Horse Artillery