8 year old Sreelakshmi Suresh designs and manages the website for her school in Kerala, India. According to the school’s site:“She is the ‘Youngest Web Designer Girl of the World’. She has got 18 International Awards for Best Web Designing and Presentation.”

Her short biography also includes a list of the 18 awards she has won. Even if there is a younger webmaster out there, her achievements are still impressive. Link