Radoslav Lopašic (1830—1893) was a Croatian historian and member of the Yugoslav Academy of Sciences and Arts.
Lopašic was born on 20 May 1830 in Karlovac, Austrian Empire (modern-day Croatia).
His father was Mirko Lopašic, at that time a mayor and a city judge, while his mother was Magdalena nee Dobrilovic.
After being educated in Karlovac and Zagreb, Lopašic began his career in city administration.