Reginald John (R. J.) Hollingdale (October 20, 1930 – September 28, 2001) was best known as a biographer and a translator of German philosophy and literature, especially the works of Friedrich Nietzsche, Goethe, E. T. A. Hoffmann, G. C. Lichtenberg, and Schopenhauer. Hollingdale was also elected president of The Friedrich Nietzsche Society in 1989. Along with Walter Kaufmann, he was responsible for rehabilitating Nietzsche's reputation in the English-speaking world after World War II. Hollingdale was an atheist.
"Reg" Hollingdale dropped out of Bec Grammar School, Tooting at the age of 16 in order become a journalist, working in a junior position for a Croydon newspaper. He was called up to the Royal Air Force at a young age in the late 1940s, as part of his National Service, for two years before returning to journalism. After paying his way through private German lessons, and immersing himself in German literature and philosophy, Hollingdale earned the respect of readers and academics with his translations and studies of German cultural figures. Despite not possessing a degree, Hollingdale was elected president of a scholarly society, and was a visiting scholar at the University of Melbourne in 1991–1992. He also worked as a sub-editor at The Guardian and as a critic for The Times Literary Supplement.