Giuseppe Baldassare Sammartini (also Gioseffo, S Martini, St Martini, San Martini, San Martino, Martini, Martino; 6 January 1695 – November 1750) was an Italian composer and oboist during the late Baroque and early Classical era. Although he was from Milan, most of his professional life was spent in London and with Frederick, the Prince of Wales.