Hiroshi Ishii (?? ?, Ishii Hiroshi, born 1956) is a Japanese computer scientist.
He is a professor at the Massachusetts Institute of Technology.
Ishii pioneered the Tangible User Interface in the field of Human-computer interaction with the paper "Tangible Bits: Towards Seamless Interfaces between People, Bits and Atoms", co-authored with his then PhD student Brygg Ullmer.