Stjepan Srkulj (3 December 1869 – 8 September 1951) was a Croatian historian and politician born in Varaždin.
Srkulj studied history and earned his doctoral degree from the University of Vienna before working as a high school teacher between 1895 and 1917.
He participated in the coalition's work until 1918 after collapse of Austria-Hungary in the final days of the First World War and establishment of the Kingdom of Serbs, Croats and Slovenes.
Srkulj contributed to work of the National Council of Slovenes, Croats and Serbs, an ad-hoc body working towards dissolution of Austria-Hungary and establishment of a political union of the South Slavs, which materialised as the Kingdom of Serbs, Croats and Slovenes.
Srkulj published several papers and books including school history textbooks.