Stephen Reginald Bosustow (November 6, 1911 muVictoria, British Columbia <unk> July 4, 1981) aiva Canadian-akaberekerwa American firimu mugadziri kubva 1943 kusvikira pamudyandigere wake muna 1979. Akanga ari mumwe wevatangi veUnited Productions of America (UPA) uye akagadzira angangoita mazana matanhatu emakatuni uye mafirimu epfupi. Iye anonyanya kuyeukwa nokuda kwekugadzira mutsara waVaMagoo naGerald McBoing-Boing makatuni muma1950, matatu ayo akawana Academy Awards. Ndiye chete mugadziri wemufirimu munhoroondo uyo akagamuchira mazita ose eOscar mune rimwe boka (1957)
, achimuvimbisa kuhwina Oscar. "Magoo's Puddle Jumper" ndiyo yakazokunda.