Daniel Stacy Martin (August 31, 1879 – November 5, 1949) was an American football coach. He served as the head football coach at the University of Mississippi in 1902 and at Mississippi A&M (now known as Mississippi State University) from the 1903 to 1906 seasons. During his one-season tenure at Mississippi, Martin compiled an overall record of four wins and three losses (4–3). During his four-season tenure at Mississippi A&M, Martin compiled an overall record of ten wins, eleven losses and three ties (10–11–3).
He married Emily May MacEvoy. He later worked in the electrical and mechanical engineering industry. He was also. president of the McClary-Jemison Machinery Company in Birmingham at one point.
He died in November 1949 of a heart attack. He had been in declining health since a mining accident in Mexico in 1935, which left him semi-disabled.