The Novosel family was a Croatian noble family, influential in the Kingdom of Croatia, and in the later Habsburg Monarchy during the period in history marked by the Ottoman wars in Europe. Luka Novosel was awarded the nobility title in 1744 for his command of the Kostajnica fortress against the Ottomans by Empress Maria Theresa. He also held the functions of Vice Prefect (Požega County and Zagreb County), member of the Royal Court (Latin judicium delegatum) and member of the Royal Commission for suppressing revolt. Other famous members include Antun Novosel who run the bishopric printing office in Zagreb and held the function of Head of the Bishopric Palace (Comes Curialis).
In the 15th century the Novosels settled below Medvednica. The Novosels were highly represented in the battles against the Turks, as evidenced by the coat of arms of the family is represented by wolf holding a severed Ottoman head.
The Novosels, where given nobility status on 12 September 1744 under Empress Maria Theresa. The muniment of nobility and the coat of arms confirmed Luka Novosel as a noble of the Kingdom of Croatia and Slavonia which was part of Transleithania as Vice Captain of the fortress at Hrvatska Kostajnica for the military merits of his fighting against the Ottoman Turks. Luka Novosel was elected deputy prefect of Požega County on 12 November 1750; on 8 April 1755 Empress Maria Theresa appointed him a member of the Commission and a member of the Royal Court (judicium delegatum) in suppressing revolts in Virovitica County. The session of the Commission and the Court started on 21 May 1755.