Ruaridh Silvio James MacGillivray-Mollica (born 14 October 1999) is a Scottish-Italian actor, writer, and director. For his performance in the film Sebastian (2024), he was nominated for a British Independent Film Award. On television, he appeared in the Channel 5 series Witness Number 3 and the BBC Three series Red Rose (both 2022).

Mollica was named one of Screen International's 2024 Rising Stars Scotland.