Frithjof Prydz (5 November 1841 â 21 May 1935) was a Norwegian judge.
Prydz was born in Moss to Paul Fredrik Prydz and Andersine Lund, and was a brother of writer Alvilde Prydz.
Prydz graduated as cand.jur. in 1863, and was named as a Supreme Court Justice from 1900 to 1918. He served as mayor of Hønefoss, and was decorated as Knight, First Class of the Order of St. Olav in 1900.