An experimental campaign was conducted to investigate the behavior of three types of glass fiber reinforced polymer (GFRP)-concrete shear connections in the push-out tests. GFRP dowels were fixed over the flanges of I-shaped GFRP profiles using epoxy saturated glass roving. Two different angles of inclination of the dowels (90° and 45°) were considered for the study, and other than investigating their relative response, a comparison of their performance with the conventionally provided surface bonded connection was also made. The profiles vary in their manufacturing process, constituent materials, and stacking sequence. The performance of the developed connections was evaluated from their respective load-slip relations. The test results showed that the angle of inclination of the dowel significantly influences the failure modes, the shear resistance, the stiffness, and the interfacial slip of the connection system. In contrast to the highly stiff and brittle surface bonded connections, the dowel connections displayed a significant ductile response until failure.