MSSR

The abbreviation stands for MSSR

• Moldavian Soviet Socialist Republic, former Union Republic of the Union of Soviet Socialist Republics
• Mes Souliers Sont Rouges, former French singing and music group
• Monopulse Secondary Surveillance Radar, see secondary radar, monopulse method

MSSR stands for:

• Redemptorists, a Catholic women's orders

• Disambiguation
• Abbreviation