George Perkins Hawkes (March 7, 1824 – September 21, 1903) was a colonel in the Union Army during the American Civil War. He commanded the 21st Regiment Massachusetts Volunteer Infantry from April 1863 to July 1864. In March 1867, he was awarded the honorary grade of brevet brigadier general, United States Volunteers, to rank from March 13, 1865, seven months after his resignation of his commission in the army (due to poor health).