Holli Sullivan is an American politician, businesswoman, and engineer who served as the 62nd secretary of state of Indiana from 2021 to 2022.

A native of Vanderburgh County, Indiana, Sullivan graduated from John H. Castle High School.

[4] In 2017, she co-authored House Bill 1002, which provided for a long term plan for sustaining roads and bridges in Indiana including a phase-in shift of all gas tax to be dedicated to a dedicated infrastructure fund.

[5] That same session, she authored a bill which created a strategic plan to reduce cervical cancer.

[7] In June 2022, at the Indiana Republican Party's convention to select their candidates for the general election, Sullivan was defeated by Diego Morales in what was considered an upset.