Douglas Michael "Doug" Guetzloe (June 15, 1954 – February 6, 2018) was an American radio personality, conservative political consultant and anti-tax activist. He was born in Tampa, Florida. He was the founder and chairman of Ax the Tax. It is a radio talk show host. He was also the founder of an internet broadcasting network.

Guetzloe helped found the Florida Taxpayers Union in 2004 as an affiliate of the National Taxpayers Union, a grassroots organization working for lower taxes, smaller government and accountability from public officials.

Guetzloe died on February 6, 2018 in Orlando, Florida of cardiac arrest at the age of 63.