A device for connecting beams and pillars or similar structural elements, particularly for prefabricated concrete structural elements, comprising a bracket, which forms, when installed, by means of its upper face, a support for the beam, and a first connection for connecting to the pillar the end of the bracket that is designed to be directed toward the pillar, the device further comprising a second connection for connecting a region of the bracket, spaced from the end directed toward the pillar, to a region of the pillar located above the bracket and arranged on the side of the pillar that lies opposite with respect to the side that bears the bracket.