Atto may refer to:
People Given name Atto (archbishop of Milan) (died 1080? or after 1085?) Atto (bishop of Vic) (died 971) Atto of Pistoia (1070–1153), Italian prelate Atto of Spoleto, Duke of Spoleto from 653 to 663 Atto of Vercelli (885–961), Bishop of Vercelli Atto Melani (born 1626–1714), Italian opera singer Atto Mensah (born 1964), Sierra Leonean football player and coach Atto Tigri (1813–1875), Italian anatomist
Surname Osman Ali Atto (1940–2013), Somali warlord
Other uses Amazon Tall Tower Observatory, a scientific research facility in the Amazon rainforest of Brazil atto-, a metric prefix denoting a factor of 10 ATTO Technology, a computer electronics manufacturer Atto I, 1975 album by Al Bano and Romina Power BYD Atto, an automobile nameplate
See also
Antto (disambiguation)