José Luíz Barbosa
 José Luíz Barbosa known as Zequinha Barbosa (born May 27 1961 in Três Lagoas Mato Grosso do Sul) is a former Brazilian 800m runner who won the silver medal at the 1991 World Championships in Tokyo. A few weeks before Barbosa had won the 800m race at the prestigious Letzigrund meeting in Zurich. He travelled to Tokyo as the favourite but lost to Billy Konchellah from Kenya who overtook him on the home straight.