Walter Gerson Correia da Rocha Monteiro (born 12 July 1973 in Benguela, Angola) is a former Angolan professional basketball player.

He ended his career playing for Recreativo do Libolo at the Angolan major basketball league BAI Basket.

In 2004, he attempted to join the San Antonio Spurs of the NBA, but was cut during pre-season camp.

Afterwards, Monteiro returned to his native Angola, playing for Petro Atlético, where he won one title, before moving to Primeiro de Agosto and finally to Recreativo do Libolo.

Monteiro has played internationally with the national team since 2001 at competitions in the United States in 2002 and Japan in 2006, and the 2004 Athens Summer Olympics, where he had the 2nd highest individual 3 pt shooting percentage among all the players.