Hiroshi Hara (原 寛, Hara Hiroshi, January 5, 1911 – September 24, 1986) was a Japanese botanist.
Hara was born 1911 in Nagano.
He studied at The University of Tokyo and became a professor there in 1957.
Hara specialized in mosses, but described other plants as well.
This article about a Japanese botanist is a stub.