Diana R. “DeeDee” Fuentes (September 27, 1958 – March 20, 2026) was an American journalist, editor, and press freedom advocate with more than 35 years of experience in journalism, reporting on stories across Mexico and the United States. She was widely recognized as a champion of investigative reporting, diversity in newsrooms, and freedom of information. In 2021, she became the first person of color to serve as executive director of Investigative Reporters and Editors (IRE), a nonprofit organization dedicated to training journalists in investigative techniques.