Ianto Jones is a fictional character from the British television series Torchwood, which is a spin-off of Doctor Who. He serves as the team's administrative assistant and later becomes a key member of the team. Ianto is known for his resourcefulness, technical skills, and dedication to his work at the Torchwood Institute. Originally from Wales, Ianto has a complex background that includes a tragic love story with Jack Harkness, the team's leader. His character is portrayed by actor Gareth David-Lloyd and is notable for his development throughout the series, showcasing themes of loyalty, love, and sacrifice.