Tor Olav Mørseth (born 30 July 1980) is a Norwegian business executive and former newspaper editor.

He has worked as journalist, development editor and product manager for Bergens Tidende, was chief editor of the newspaper Adresseavisen from 2015 to 2017, and has been manager for Snøhetta since 2020.

Born in Stjørdal Municipality on 30 July 1980, Mørseth studied economy at the Norwegian School of Economics, and at the Copenhagen Business School.

From 2015 to 2017 he was chief editor of the newspaper Adresseavisen, and then CEO of the company Digital Norway.

From 2020 he was appointed director of the Oslo department of the architectural company Snøhetta.