Atto

Atto may refer to:

== People == === Given name === Atto Melani (born 1626–1714), Italian opera singer Atto Mensah (born 1964), Sierra Leonean football player and coach Adalbert Atto of Canossa (died 988), Count of Canossa Atto (archbishop of Milan) (11th century) Atto (bishop of Vic) (died 971) Atto of Pistoia (1070–1153), Italian prelate Atto of Spoleto (7th century), Duke of Spoleto Atto of Vercelli (885–961), bishop of Vercelli Atto Tigri (born 1813–1875), Italian anatomist