Glenn Hubbard Hearn (April 17, 1914 – January 7, 1978) was an American politician who served as mayor of Huntsville, Alabama, from 1964 to 1968.

[3] During Hearn's term as mayor, the City of Huntsville grew in land area by approximately 40% to 106.803 square miles.

[4] However, during his term, Hearn seemed more interested in public relations than the administrative aspects of his office.

[4] After declining to seek re-election following his first term, his administrative assistant Joe Davis successfully ran for mayor.

[5] After leaving the legislature, Hearn became Madison County Personnel Director until his apparent suicide by asphyxiation in 1978.