Erna Viitol (born on 10 May 1920 – 11 November 2001) was an Estonian sculptor.
Viitol was born into a family of farmers in Ala, Lõve Parish (now in Helme Parish), Valga County. She traveled to , Sweden to study. Upon her return to Estonia in 1943, she studied in Tallinn at the School of Applied Arts and at the Academy.
Viitol's sculptures, among others, included a bronze bust of female Estonian literary writer, Ellen Niit, and portraits of Heino Kiik, Lilli Promet, and Aino Kallas.