Ludwig Rösch was an Austrian landscape painter and lithographer.

Born the son of the still life and decorative painter Matthias Rösch (1830–1908).

Rösch first studied at the School of Applied Arts in Vienna and from 1882 to 1887 at the Academy of Fine Arts in Vienna with Christian Griepenkerl and Eduard Peithner von Lichtenfels.

Rösch lived in England, France and Spain from 1887 to 1894, in Switzerland from 1898 to 1907, after which he lived permanently in Vienna. From 1907 to 1925 he was a member of the Vienna Secession, from 1926 of the Dürerbund. As a member of the Vienna Secession, he exhibited his works at many art exhibitions.

Rösch was awarded the Golden Füger Medal, the Golden Medal of the Albrecht Dürer Association, the Prize of the City of Vienna (1927) and the Austrian State Prize (1928).

In addition to painting and drawing, also in charcoal, tempera and watercolor, Rösch worked with lithography.