Peter Marshall Murray, M.D. (June 9, 1888 – December 19, 1969) was president of the National Medical Association from 1932 to 1933.
He was born on June 9, 1888 in Houma, Louisiana to John L. Murray and Louvinia Smith. He attended Dillard University and graduated in 1910. In 1914 he was awarded his M.D. from Howard University. He interned at Freedmen's Hospital and then taught at Howard University. He married Charlotte Wallace.
He became an attending physician at Sydenham Hospital.
He was president of the National Medical Association from 1932 to 1933. He died on December 19, 1969.