Kathryn D. Huff is an American engineer who served as the assistant secretary for the Office of Nuclear Energy from 2022 to 2024.

During high school, she also took mathematics and science courses at the University of North Texas.

[2] In 2003 and 2004, Huff worked as a research assistant at the Los Alamos National Laboratory.

[3] She also worked as a research assistant at the University of Chile and Kavli Institute for Cosmology.

In 2010, she was an intern at the Idaho National Laboratory, specializing in advanced nuclear energy systems integration.