Johannes Brun (1832–1890) was a Norwegian actor
Johannes Brun may also refer to:
Johannes Bruhn (1898–1954), German general Johannes Brun (officer) (1891–1977), Norwegian businessman and military officer Johannes Bruyn (1750–1814), American politician
See also Johanne Bruhn (1890–1921), Norwegian actress Johanne Brun (1874–1954), Danish operatic soprano Johannes Brüns (1903–1965), German politician