Bjørn Trumpy (6 July 1900 – 8 June 1974) was a Norwegian physicist. He was born in Bergen. His research areas covered spectral physics, earth magnetism, cosmic radiation and nuclear physics. Trumpy was the first rector at the University of Bergen, from its establishment in 1948. He was decorated Commander of the Order of St. Olav in 1951.
Trumpy can refer to: