URSS is an alternative spelling of USSR. In other languages, it stands for Union des républiques socialistes soviétiques (French), Unión de Repúblicas Socialistas Soviéticas (Spanish), Unyong ng mga Republikang Sosyalistang Sobyet (Filipino), Uni Republik Sosialis Soviet (Indonesian), Unione delle Repubbliche Socialiste Sovietiche (Italian), União das Repúblicas Socialistas Soviéticas (Portuguese), Uniunea Republicilor Sovietice Socialiste (Romanian), among others. Within the Soviet Union itself, "URSS" was the preferred Latin-script abbreviation for the country until World War II, when it was replaced with "USSR".

URSS may also refer to:

• Editorial URSS, a Russian scientific publishing house.
• Amicii URSS, literary Romanian for "[The] Friends of the Soviet Union".
• Concerts en URSS, a 1996 album by electronic band Space.
• the ICAO airport code for Adler-Sochi International Airport.

• 22 Vows
• 22X
• 22X (New Jersey bus)
• 22° halo
• 22°-halo
• 2,2′-Bipyridine
• 22⁄7
• 23
• 2/3
• 2300 day prophecy
• 2300s
• 2300 Stebbins
• 2301
• 2.30:1
• 2302
• 2303
• 2304
• 230596
• 230596 (Exhaust)
• 2306
• 2307
• 2308
• 2309
• (230) Athamantis
• 230 (number)