Gastone Mojaisky Perrelli (born Gastone Mojaisky, 6 August 1914 – 5 March 2008) was an Italian Catholic archbishop.
He served as Apostolic Delegate to the Congo and Ruanda-Urundi and then to British East Africa and British West Africa, during which time he held the Titular Archbishopric of Amida.
He later served as Archbishop-Bishop of Nusco and as Archbishop of Conza-Sant'Angelo dei Lombardi-Bisaccia.