Carlos Francisco de Croix, 1st Marquess of Croix, was a Spanish general and viceroy of New Spain, from August 25, 1766, to September 22, 1771, a period of considerable turbulence.

Teodoro de Croix was a Spanish soldier and colonial official in New Spain and Peru. From April 6, 1784 to March 25, 1790 he was viceroy of Peru.