USS Conyngham may refer to one of these United States Navy ships named in honor of Gustavus Conyngham: , a , commissioned in 1915, served in World War I, decommissioned in 1922, transferred to the United States Coast Guard as CG-3, returned to the Navy and scrapped in 1934 , a destroyer, commissioned in 1936, served in World War II and decommissioned in 1946 , a guided missile destroyer, commissioned in 1963 and decommissioned in 1990 United States Navy ship names