The 2023 Italian GT Championship was the 32nd season of the Italian GT Championship, the grand tourer-style sports car racing founded by the Italian Automobile Club. The season started on 5 May at Misano and ended on 29 October at Imola. The Sprint Cup championship was won by Jens Klingmann and Bruno Spengler, with the GT3 PRO-AM championship being won by Phillippe Denes and Dmitry Gvazava, GT3 AM was won by the duo of Massimo Ciglia and Guiseppe Fascicolo, Gilles Stadsbader won the GT Cup PRO-AM, and the GT Cup AM was won by Vincenzo Scarpetta.