The House of Zamagna (in Italian; Zamanja, Džamanjić or Zamanjić in Serbo-Croatian) was one of the noble families (post-Roman patriciates) of the Republic of Ragusa.

The Zamagna received patrician status in 1172.

[1] According to Ragusan sources, the family had moved to Ragusa from Zahumlje (Chelmo), and had once hailed from Apulia in southern Italy.

ixiti di Puglia, venuti 1172)[2] The name of the progenitor of the family, Balislavo, shows a Slavic origin.

[3] The aristocracy was known as nobili and was given to the following members of the family in 10 November, 1 and 16 December 1817, for Luko, Marijana, Matija, Frano Matej, and Matej, after the fall of the Republic at the hands of the Austrian Empire.