Group B of the 2010 FIFA World Cup began on 12 June and ended on 22 June 2010. The group consisted of Argentina, Nigeria, South Korea and Greece. It was the third time that Argentina and Nigeria had been drawn together in the same World Cup group, after 1994 and 2002. Argentina had also been paired with South Korea in 1986.

The 2010 FIFA World Cup was the 19th FIFA World Cup, the world championship for men's national football teams. It took place in South Africa from 11 June to 11 July 2010. The bidding process for hosting the tournament finals was open only to African nations. In 2004, the international football federation, FIFA, selected South Africa over Egypt and Morocco to become the first African nation to host the finals.