John Sant’Ambrogio (born June 12, 1932 in Glen Ridge, New Jersey) is an American cellist. He studied music at Lebanon Valley College (B.A., 1954) and at Ohio University (M.M., 1959). He studied cello with Diran Alexanian (1948 to 1950), with Paul Olefsky (1950 to 1952), and with Leonard Rose (1953 to 1955). Sant’Ambrogio is founder (2003) and artistic director of the Arts for the Soul Summer Vacation Retreat in Steamboat Springs, Colorado.