Michelle Dessler is a fictional character played by Reiko Aylesworth on the television series, 24. She was Jack's closest and most trusted female ally at CTU as well as one of his closest friends outside of work. The character first appeared in the second season of 24 as an Internet Protocol Manager in the Los Angeles Branch of CTU and a love interest of Tony Almeida. In subsequent storylines, she is seen to have held positions as Chief of Staff and Acting Special Agent in Charge at CTU Los Angeles, and Associate Special Agent in Charge at Division. She is featured in three seasons of 24 from Season 2 to Season 4 and in the video game, 24: The Game. She also makes a brief appearance in Season 5's first episode.

Michelle obtained her Bachelor of Science in Computer Science at the University of California, Davis, and began her career at the National Institute of Standards and Technology's Computer Security Division, and DARPA's High Confidence Systems Working Group, before being hired by the Counter Terrorist Unit, Los Angeles branch.