Toso is a surname from Northern Italy, mainly Genoa and Veneto Notable people with the surname include: Ana Maria Toso, Italian paralympic athlete Dino Toso, Italian-Dutch motorsport engineer Giacinta Toso, Italian opera singer Giovanni Pietro dal Toso, secretary of the Pontifical Council “Cor unum” Leanne del Toso, paralympic wheelchair basketball player Luca Toso, Italian athletics competitor Mario Toso, Italian titular bishop Otello Toso, Italian film and stage actor. Wikipedia