Ludwig Renn was a German author. Born a Saxon nobleman, he later became a committed communist and lived in East Berlin.

Martin Ludwig Jedemin Rhesa was a Lutheran pastor and a professor at the University of Königsberg in East Prussia. He is best remembered as publisher of Lithuanian texts. He was the last prominent prominent advocate of the Lithuanian language in Lithuania Minor.

Ernst Friedrich Ludwig Robert was a German dramatist.

Ludwig Rubiner was a German poet, literary critic and essayist, generally seen as a representative of the expressionist movement that originated in Germany at the beginning of the 20th century. His most important works include a manifesto entitled, "Der Dichter greift in die Politik" and a stage-drama, "Die Gewaltlosen", which he dedicated to "dem Kameraden, meiner Frau Frida". His "Kriminalsonetten" have even led to his being seen by some as a prophet of Dadaism.

Karl Ludwig Schemann was a German translator and race theorist. He promoted anti-Semitism and was instrumental in promoting Gobinism to Germany. He "did a great deal to bring Gobineau's term 'Aryan' into vogue amongst German racists".

Ludwig Zinovievich Slonimsky was a Warsaw-born Jewish Russian journalist, publicist, economist and lawyer, the son of Hebrew scientist and publisher Hayyim Selig Slonimski.

Ludwig Strümpell, after his ennoblement in 1870 von Strümpell, was a German philosopher and pedagogue.

Ludwig Thoma was a German author, publisher and editor, who gained popularity through his partially exaggerated description of everyday Bavarian life.

Johann Ludwig Tieck was a German poet, fiction writer, translator, and critic. He was one of the founding fathers of the Romantic movement in the late 18th and early 19th centuries.

Ludwig Timotheus Spittler was a German historian born in Stuttgart. He published works on national, church and political history. He was a member of the Göttingen School of History.