Gavro Manojlović (27 October 1856 – 1 November 1939) was a Croatian historian, politician, and academic.

Gavro Manojlović was born in Zadar to a family of Serbian descent.^[1] He studied in Zagreb and Vienna, where he received his doctorate in philosophy of history and classical philology in 1896. From 1880 he worked as a high school teacher and as a school principal in Požega, Osijek and Zagreb.^[2] From 1902, he was a full professor of general history of the ancient world at the Faculty of Philosophy in Zagreb.^{[citation needed]} He studied ancient history, Byzantine studies, philosophy of history.^[2] Manojlović also wrote a number of textbooks.^{[citation needed]}

On two occasions, from 1908 to 1910 and from 1913 to 1918, he was a representative of the Croat-Serb Coalition in the Croatian Parliament.^{[citation needed]} Manojlović signed an open letter of support for Serbian members of the Croat-Serb Coalition slandered by Unionist Ban Pavao Rauch, for which he was suspended and prematurely retired from his university post, in a crackdown of the government on opposition intellectuals.^[3]

As one of the prominent supporters of Yugoslavism, in 1918, Manojlović was a member of the National Council of Slovenes, Croats and Serbs, and in 1919 a member of the Temporary National Representation of the Kingdom of Serbs, Croats and Slovenes.^[4]

From 1908, he was a regular member, and from 1924 to 1933 the president of the Croatian Academy of Sciences and Arts. He founded the HAZU Oriental Collection.^[5]

He was the editor of the youth newspaper Pobratim and Nastavni vjesnik.^{[citation needed]}