August Charles Krey was an American medievalist. He was chairman of the Department of History at the University of Minnesota from 1944 to 1955.

August Cesarec was a Croatian writer and communist activist from the interwar period.

Count August Dołęga Cieszkowski was a Polish philosopher, economist and social and political activist. His Hegelian philosophy influenced the young Karl Marx and action theorists.

August William Derleth was an American writer and anthologist. He was the first book publisher of the writings of H. P. Lovecraft. He made contributions to the Cthulhu Mythos and the cosmic horror genre and helped found the publisher Arkham House. Derleth was also a leading American regional writer of his day, as well as prolific in several other genres, including historical fiction, poetry, detective fiction, science fiction, and biography.

August Friedrich Ernst Langbein was a German humor writer.

August Gailit was an Estonian writer.

August Gottlieb Meissner was a German writer of the Enlightenment and is considered the founder of the German detective story.

August Heinrich Rudolf Grisebach was a German botanist and phytogeographer.

August Heinrich Hoffmann was a German poet. He is best known for writing "Das Lied der Deutschen", whose third stanza is now the national anthem of Germany, and a number of popular children's songs, considered part of the Young Germany movement.

August Heinrich Matthiae was a German classical scholar.