37th Army may refer to:

• 37th Army (Japan)
• 37th Army (Soviet Union)

• Oxenaforda
• Oxendon Rural District
• Oxeneers or the Lion Sleeps When Its Antelope Go Home
• Oxenford, John
• Oxenford, Queensland
• Oxenham
• Oxenham Non-Connectors
• Oxenholme Lake District
• Oxenholme railway station
• Oxenhope railway station
• Oxen Pond Botanical Garden
• Oxenstjerna
• Oxera
• Oxera cauliflora
• Oxera crassifolia
• Oxera macrocalyx
• Oxera nuda
• OXES
• Oxetacaine
• Oxetocyon
• Ox-eye
• Ox eye
• Ox-eye daisy
• Oxeye Daisy
• Ox-eyes