Yugoslav or Yugoslavian may refer to:

• Yugoslavia, or any of the three historic states carrying that name:
  • Kingdom of Yugoslavia, a European monarchy which existed 1918–1945 (officially called "Kingdom of Serbs, Croats and Slovenes" 1918–1929)
  • Socialist Federal Republic of Yugoslavia or SFR Yugoslavia, a federal republic which succeeded the monarchy and existed 1945–1992
  • Federal Republic of Yugoslavia, or FR Yugoslavia, a new federal state formed by two successor republics of SFR Yugoslavia established in 1992 and renamed "Serbia and Montenegro" in 2003 before its dissolution in 2006
• Yugoslav government-in-exile, an official government of Yugoslavia, headed by King Peter II
• Yugoslav Counter-Intelligence Service
• Yugoslav Inter-Republic League
• Yugoslav Social-Democratic Party, a political party in Slovenia and Istria during the Austro-Hungarian Empire and the Kingdom of Yugoslavia
• Serbo-Croatian language, proposed in 1861 and rejected as the legal name of the language by a decree of the Austrian Empire

Yugoslav may also refer to:

• Yugoslavs, either citizens of any of the former Yugoslav states, or for people who self-identify as ethnic Yugoslavs
• Yugoslavism, various strands of supra-ethnic nationalism proposed for South Slav peoples of southeastern Europe