Jefferson de Oliveira Galvão, simply known as Jefferson (born 2 January 1983), is a Brazilian former professional footballer who played as a goalkeeper.

Having begun his career at Cruzeiro and spent time on loan at Botafogo, Jefferson then spent four seasons in the Turkish Süper Lig in service of Trabzonspor and Konyaspor before returning to Botafogo. He is one of the eight footballers with the most appearances Botafogo club history, with 459 between the years of 2003 to 2005 and 2009 to 2018.

A former world champion at under-20 level, Jefferson made his senior debut for Brazil in 2011 and was named in their squads for two Copa América tournaments, the 2014 FIFA World Cup and their victory at the 2013 FIFA Confederations Cup.