Per August Leonard Hallström (29 September 1866 – 18 February 1960) was a Swedish author, short-story writer, dramatist, poet and member of the Swedish Academy.

[1] Before devoting himself to writing, Hallström worked in London and Chicago as a chemist.

He is appreciated primarily for his collections of short stories, such as Purpur [Purple] (1895) and Thanatos [Death] (1900).

His major works, written before 1910, combine profound compassion with a sensitive awareness of beauty.

This article about a Swedish writer or poet is a stub.