J. Brent Siegrist (born September 30, 1952) is an American politician from the state of Iowa.

A member of the Republican Party, he served in the Iowa House of Representatives for twenty years, non-consecutively, ten of which he filled the role of Speaker.

Prior to getting into politics, Siegrist worked as a high school teacher.

In 2013, he announced he would run for mayor of Council Bluffs, Iowa.

[2] He lost the election to Matt Walsh, a fellow Republican.