David Noble Harpp is a Canadian chemist, science communicator and award-winning university teacher.

Harpp published more than 230 chemistry articles in peer-reviewed publications, his main research interest being organosulfur and selenium molecules.

[1] With Joseph Schwarcz and Ariel Fenster, Harpp is a founding member of the Office for Science and Society.

[2][3][4] Harpp experimented throughout his teaching career with various visual media, from photographic slides to 8mm movies.

With his colleagues at the Office for Science and Society, he pioneered the McGill COurses ONline initiative.