Jeong Si-hyun (정시현) is an actor best known for playing Haydn in Absolute Value of Romance (2026), a drama that mixes drama and comedy. His role in the series is the part he is most linked to in the Oxfea catalogue.

Jeong Si-hyun was born on March 6, 1991. His work in the Oxfea catalogue centres on Absolute Value of Romance, where he played Haydn, and fans can find the story, cast and release details for the drama in its Oxfea guide.