Ludwig Engels (11 December 1905, Düsseldorf, Germany – 10[1] January 1967, São Paulo, Brazil) was a German–Brazilian chess master.
In August 1935, he tied for 2nd-3rd in Bad Nauheim (Efim Bogoljubow won).
In August 1936, he played for Germany at third board (+9 –5 =3) in the unofficial Olympiad in Munich.
[3] In August–September 1939, Engels played for Germany in the 8th Chess Olympiad in Buenos Aires.
[4] When World War II broke out, Engels along with all other members of the German team (Eliskases, Michel, Becker, Reinhardt) and many other participants of that Olympiad (Ståhlberg, Najdorf, Frydman, Czerniak, Winz, Rauch, Kleinstein, Raud, Feigins, Luckis, Pelikan, Skalička, Sulik, Gromer, Seitz, de Ronde, Sonja Graf, Paulette Schwartzmann, etc.)
[5] He tied for 4th-5th in the Mar del Plata 1941 chess tournament (Gideon Ståhlberg won).
In 1941, he tied for 3rd-4th with Héctor Rossetto, after Eliskases and Marcos Luckis in Montevideo.
In July 1941, he tied for 3rd-4th in Águas de São Pedro (Eliskases and Guimard won).
In June 1948, he took 4th in São Paulo (Albéric O'Kelly de Galway won).
In September 1957, he tied for 6th-7th in São Paulo (Raúl Sanguineti won).
In October 1963, he tied for 3rd-4th in São Paulo (CXSP; Samuel Schweber won).