Patricia Diane Lopez (Patty Lopez) is an American Computer Scientist noted for her research on computer vision, image processing, and image enhancement. Her most notable work is her early efforts on neural networks, modeling human vision and imaging patents.

She is also noted for her leadership in broadening participation in computing. She is a founding member of Latinas in Computing, she serves on the CAHSI, Anita Borg Institute, and CRA-W Boards, and was the Grace Hopper Celebration of Women in Computing 2013 General Co-Chair.