Edward Allen Buchanan[1] (born October 19, 1967) is an American politician, attorney, and military veteran, who served as the Wyoming Secretary of State from 2018 to 2022.

[2] Prior to being Secretary of State, Buchanan was a member and past Speaker of the Wyoming House of Representatives.

He served until his retirement in 2013, and was succeeded as Speaker by Tom Lubnau of Gillette in Campbell County.

Buchanan ran for Wyoming Secretary of State in the 2014 elections, narrowly losing the contest in a four-way race.

In 2021, Buchanan was considered by early polling to be the leading potential candidate to take on Rep. Liz Cheney in 2022.