Theodor Bull (1870 – 1958) was a Norwegian businessperson and genealogist.
He was born in Kristiania as a son of medical doctor Edvard Isak Hambro Bull (1845–1925).
He was also a nephew of military officer Karl Sigwald Johannes Bull, grandnephew of Anders Sandøe Ørsted Bull, great-grandson of Georg Jacob Bull and great-great-grandson of Chief Justice Johan Randulf Bull.
[2] In his professional career he worked as a wholesaler.
This biographical article about a Norwegian academic is a stub.