Ostenrik-Honggari utawa Kakaisaran Austro-Honggari (ing basa Indonesia karan Austria-Hongaria) iku siji nagara ing Éropa Tengah kang madeg antara taun 1867 nganti 1918. Nagara iki gabungan saka Kamaharajan Ostenrik lan Kraton Honggari kang kapimpin 1 kaisar (monarch). Lagu kabangsane yaiku Gott erhalte Franz den Kaiser.

Jeneng pepake yaiku "The Kingdoms and Lands Represented in the Imperial Council and the Lands of the Crown of St. Stephen"(Praja lan Lemah kang diwakili ing dewan Kamaharajan lan lemah Makutha St Stefanus).Negara-negara kang kawangun ing tilas tlatah Habsburg:

• Ostenrik/Austria.
• Honggari/Hongaria.
• Ceko
• Yugoslavia
• Polen/Polandia.

Sawetara tlatah Austria-Hongaria uga diwènèhaké marang Rumania lan Itali.

• "Distribution of Races in Austria–Hungary" from the Historical Atlas by William R. Shepherd, 1911
• The Austro-Hungarian Military
• Austria–Hungary - extensive list of heads of state, ministers, and ambassadors
• Austria-Hungary, Dual Monarchy
• History of Austro-Hungarian currency