Giulio Ken Parengkuan (born July 20, 1999, in Jakarta) is an Indonesian actor and model of Minahasan descent. He is the eldest son of Erwin Parengkuan, a well-known presenter and radio broadcaster, and Jana Parengkuan.

Giulio began his acting career in 2016 by filming Pertaruhan, in which he played the role of Ical. The film was released on February 3, 2017.

Following his debut, Giulio appeared in several other popular films, such as Dilan 1990 (2018), where he portrayed Anhar, a character known for his short temper. He reprised the role in Dilan 1991 (2019). He also starred in Penyalin Cahaya (2021), a film that gained widespread attention and was nominated for the 2021 Citra Awards.

In addition to feature films, Giulio has been involved in web series such as Jingga dan Senja (2021), adapted from the novel by Esti Kinasih.

With his talent and dedication, Giulio Parengkuan continues to grow as one of the most promising young actors in the Indonesian entertainment industry.