The Greatest Love of All (; also known as The Greatest Love in the World) is a 2006 Brazilian romantic drama film directed by Carlos Diegues. Filming took place in 60 locations in Rio de Janeiro.
The film follows Antônio (José Wilker), an astrophysicist who has lived most of his life in the United States, as he returns to Brazil in search of his past and his biological parents. In Brazil, Antônio becomes aware he has a serious illness, whilst he falls in love for Antônia (TaÃÂs Araújo), a local girl.
It shared the Grand Prize of the Americas, the top prize at the 30th Montreal World Film Festival, with Eiji Okuda's A Long Walk. It also won the Young Europeans Jury Award of the 2006 Biarritz Film Festival, Best Music Award of the 28th Havana Film Festival, and Special Mention Award of the 24th Mar del Plata Film Festival.