The House of Croce or Kručić (Latin: Crosio) was a noble family in the Republic of Ragusa, based in Dubrovnik.

From 1440 to 1640, there were in total 10 members of the family who entered the Grand Council (Consilium maius), a body consisting of all adult Ragusan noblemen.

Two of them were elected to the Senate (Consilium rogatorum), and a single one as "rector" (or knez) of the Republic, the head of the state.

[1] Although small and not branchy, gradually losing its wealth and influence, the family still persisted until the 18th century, when its last descendant died.

The most notable member of the family was Joannes de Cruce (Ivan Kručić), a Ragusan Dominican who became bishop of Ston (and later bishop of Korčula) at the end of the 13th and the beginning of the 14th century.