Mariano Sánchez may refer to:
Mariano Ramón Sánchez (1740–1822), Spanish painter Mariano Sánchez de Loria (1774–1842), Argentine statesman and lawyer Mariano Sánchez Fontecilla (1840–1914), Chilean diplomat and politician Mariano Sánchez Martinez (born 1959), former Spanish professional racing cyclist Mariano Sánchez (tennis) (born 1978), former Mexican professional tennis player Mariano Sánchez (footballer) (born 1978), former Spanish footballer
See also Mariano Sánchez Añón Insurrectional Cell, Mexican urban guerrilla group in the 2010s