Pia Dian Borgli is a Norwegian actress.
She was recruited for Oslo Nye Teater in 1979, and has worked there primarily since then. Here she has had roles such as "Hilde Wangel" in Henrik Ibsen's The Master Builder. Her first movie role was in 50/50, and she has later acted in the films Galskap!, Hører du ikke hva jeg sier! and Maja Steinansikt. She has also had roles in television series, such as Pilen flyttebyrå and Amalies jul.
Pia Borgli is married to Morten Bruenech, and they have two sons. She is also the aunt of actress Vanessa Borgli.