Octo Cornelius (b. 1981, Rembang, Indonesia) is a visual artist currently based in Yogyakarta. He was educated at the Institut Seni Yogyakarta (ISI). Octo has had solo exhibitions in Indonesia and Singapore, including "Mengukur Ulang" at C On Temporary, Bandung (2023), "Langkah Tak Berhenti" at Kedai Kebun Forum, Yogyakarta (2020), and "Unpredictable Scenes" at Jogja Contemporary, Yogyakarta (2017). He has participated in group exhibitions and art fairs around the world, including at Para Site Hong Kong, Cemeti - Institute for Art and Society, Art Jakarta, Indonesian Contemporary Art & Design (ICAD), and more. He was previously also an active maker and performer with Papermoon Puppet Theatre.