Marta Fernández Farrés (born December 21, 1981 in Barcelona) is a retired Spanish women's basketball player.
A 1.80 m (5'11") guard, she won three bronze medals with the Spain women's national basketball team.
At club level, she played in 2007 with the Los Angeles Sparks of the United States' WNBA., the Polish team Wisla Can-Pack Kraków and the Spanish teams Universitari Barcelona, Ros Casares Valencia and Perfumerías Avenida, where she retired in 2015.
Marta Fernández is the sister of Spanish international and Real Madrid shooting guard Rudy Fernández.