The winning design, entitled Inspiration, was chosen from among 25 entries submitted to a judging panel that included Brazilian author Paulo Coelho and super model Gisele Bundchen.
President Lula launched the logo at an event in Johannesburg which was attended by former Brazilian players Carlos Alberto, Cafu, Romario, and former boss Carlos Alberto Parreira, who guided Brazil to the World Cup crown in 1994 and coached South Africa in the 2010 tournament.
Brazil, who are five-time world champions, previously staged the World Cup in 1950. The finals were last held in South American when Argentina were hosts in 1978.
Brazilian President Luiz Inacio Lula da Silva launched the logo
Fifa president Sepp Blatter said football was like a religion in Brazil and praised the country for identifying with the game "like no other".
The Brazil national team will also be hoping to improve on their showing in South Africa.
They parted company with coach Dunga after losing to the Netherlands in the quarter-finals.
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