Blanche L. Friderici (Brooklyn, Nova York, 21 de gener de 1878 - Visalia, Califòrnia, 23 de desembre de 1933) va ser una actriu nord-americana de cinema i escenari, de vegades acreditada com Blanche Frederici.

Blanche Friderici was a noted American stage and screen actress, her film career beginning in 1920. She is probably best remembered for her roles in Night Nurse (1931), A Farewell to Arms (1932), and Flying Down to Rio (1933). Although today typically indicated to have been born on 21 January 1878, Friderici's actual birth date was 12 September 1873, per multiple reliable records (including her Brooklyn, New York birth record) from throughout her lifetime.