Chad F. Wolf (born 1976) is an American government official. He was unlawfully appointed the acting Secretary of Homeland Security in 2019. Wolf also serves as Under Secretary of Homeland Security for Strategy, Policy, and Plans since November 2019. He was Chief of Staff of the Transportation Security Administration and Chief of Staff to former Secretary of Homeland Security Kirstjen Nielsen.
On August 25, 2020 President Donald Trump announced his plans to nominate Wolf was the permanent Homeland Security Secretary. However, following the 2021 storming of the United States Capitol, Wolf resigned on January 11, 2021.