Luis Argentino Palau (Sept 11, 1896 – February 8, 1971) was an Argentine chess master.
He played for Argentina in three Chess Olympiads.
In 1921/22, he tied for 10-12th in Montevideo (Roberto Grau won). In 1925, he won in Montevideo. In 1928, he took 2nd, behind Grau, in Mar del Plata (1st it). In 1934/35, he tied for 3rd-4th in Buenos Aires (Luis Piazzini won).
Palau was awarded the International Master (IM) title in 1965.