Mel Nash (born c. 1955) is a retired American swimmer who won a gold and a bronze medal at the world championships in 1973 and 1975.

In 1972, he was chosen by the Swimming World Magazine as the national high school swimmer of the year.

[2] Nash graduated from Gateway High School in Monroeville, Pennsylvania in 1972, and then at the Indiana University Bloomington from 1972 to 1976.

Aged 22, he was the youngest head coach of any sport in the National Collegiate Athletic Association.

After two years, his program was discontinued, and in the summer of 1979 Nash and his wife Carol moved to the Texas A&M University.