Frederick Brennan "Fred" Karl (May 14, 1924 – March 7, 2013) was an American politician.

[1] He attended Seabreeze High School while working as an usher at a local theatre.

[5] He was elected to the Florida House of Representatives for Volusia County (District 14)[6] in 1956, which he sat until 1964.

[8] In 1977, Karl was the last elected justice to the Florida Supreme Court, on which he served for one year.

[3] In 2004, his eightieth year, Karl was appointed Interim City Attorney for Tampa, Florida, and then advisor to the Tampa-Hillsborough Expressway Authority in response to allegations of improper conduct by the Authority.

[10] In addition to serving in state and local offices, Karl was active as a community member, participating in many organizations such as the Rotary Club of Tampa, United Way of Hillsborough County, and the Stetson University Law Board of Overseers.