Álvaro Affonso de Miranda Neto (born 5 February 1973), more commonly known as Álvaro de Miranda or "Doda" Miranda, is an Olympic-class Brazilian show jumping rider.
He was married to Athina Onassis.
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.
For the tour in 2009, the host city of the AOIHS was Rio de Janeiro.