Álvaro Affonso de Miranda Neto (more commonly: Álvaro de Miranda, or "Doda" Miranda) (born 5 February 1973) is an Olympic-class Brazilian show jumping rider. He is married to Athina Onassis de Miranda, born Athina Helene Roussel. He is president of the organizing committee behind the Athina Onassis International Horse Show, which debuted in 2007 as the fifth stage of the Global Champions Tour in São Paulo. In 2008, the AOIHS-São Paulo event was the final phase of the tour.