M55

• ARM Cortex-M
• M-55 (Michigan highway)
• M50 Reising
• M55 (Cape Town)
• M55 (New York City bus)
• M55 (rocket)
• M55 highway (Russia)
• M55 machine gun trailer mount
• M55 motorway
• M55 self propelled howitzer
• MLV (disambiguation)
• Masters athletics
• Messier 55
• Model 55 (disambiguation)
• Myasishchev M-55
• Samsung Sens
• Siemens M55
• Stahlhelm
• T-54/T-55 operators and variants
• ThinkCentre M series
• Tikka M55
• Zastava M55