The Oranje boss believes that there are at least eight teams with a better chance of triumphing in Brazil in 2014 than his side, despite finishing runners-up in South Africa
Oranje finished runners-up in 2010, losing 1-0 to Spain after extra time, but the former Bayern Munich boss feels that the competition to win the tournament will be even greater next summer.
"That would be a surprise but I don't think so," he told ANP when asked of his country's chances of lifting the trophy.
"I can count eight teams who have a better chance of becoming world champions than Netherlands.
"I'm always real. I dream of becoming world champions. That's what I love for. That's why I'm the coach."
Van Gaal took over from Bert van Marwijk in the summer after Oranje crashed out of Euro 2012 at the group stage and has led them to six wins from as many competitive matches.
Their next game is a friendly clash with Indonesia on June 7.