FMSR may refer to

• Distribution Management System#Fault Management & System Restoration (FMSR)
• Federated Malay States Railways
• Morombe Airport, ICAO code FMSR

• Squirrel cage
• Squirrel-cage fan
• Squirrel cage motor
• Squirrel cage rotor
• Squirrel chimney cave shrimp
• Squirrel Corn
• Squirrel corn
• Squirrel cuckoo
• Squirrel dht
• Squirrel (DHT)
• Squirrel (disambiguation)
• Squirrelfish
• Squirrel food
• Squirrelgirl
• Squirrel girl
• Squirrel Girl
• Squirrel hake
• Squirrel helicopter
• Squirrel High Command
• Squirrel Hill North (Pittsburgh)
• Squirrel Hill, Pennsylvania
• Squirrel Hill, Philadelphia
• Squirrel Hill South (Pittsburgh)
• Squirrel Hill Tunnel
• Squirrel Island, Maine