Katie Arrington
Katie Arrington | |
|---|---|
Official portrait, 2025 | |
| Chief Information Officer of the Department of Defense | |
Acting | |
| In office March 3, 2025 – December 29, 2025 | |
| President | Donald Trump |
| Preceded by | Leslie Beavers (Acting) |
| Succeeded by | Kirsten Davies |
| Member of the South Carolina House of Representatives from the 94th district | |
| In office January 10, 2017 – January 9, 2019 | |
| Preceded by | Jenny Horne |
| Succeeded by | Con Chellis |
| Personal details | |
| Born | Katherine Elizabeth Stolark December 6, 1970 Fairfax, Virginia, U.S. |
| Party | Republican |
| Spouse(s) |
Doug Homrich
(m. 1990; div. 2005)Robert Arrington (m. 2010) |
| Children | 2 |
| Education | Canisius College |
| Website | Campaign website |
Katherine Elizabeth Arrington (née Stolark; born December 6, 1970) is an American politician who was in the South Carolina House of Representatives from the 94th district for a single term, from 2017 to 2019. In 2018, she defeated former South Carolina Governor and incumbent Congressman Mark Sanford in the Republican primary for South Carolina's 1st congressional district but lost to Democrat Joe Cunningham in the general election. In the 2022 Republican primary, she sought to win the nomination again, but was defeated by incumbent representative Nancy Mace.
She was appointed chief information security officer for acquisition for the Office of the Under Secretary of Defense for Acquisition and Sustainment in 2020. She had served acting Chief Information Officer of the Department of Defense from March 2025 to December 2025.