The House of Martinussio (also Martinuscio, Martinusso, Martinus;[1] Croatian: Martinušić) were a noble family of the Republic of Ragusa.
The family descended from comes Gervasius (fl.
1186–90) and his son Martinussius (fl.
[2] In the beginning of the 15th century Ragusan nobility were present in Novo Brdo as merchants or mining lords; Martinussio were also present.
[2] They were not related to the Martini in Spalato, Martinuscio in Zara, or Martinussio in Cattaro.