Helge von Knorring (17 March 1897 Orivesi – 1985) was a Finnish diplomat.
He served as Chancellor in Pretoria from 1949 to 1952, and as Envoy to Beijing in 1952-1953 and Ambassador to Bern 1953-1956, Head of the Protocol Department of the Ministry for Foreign Affairs and as rapporteur for Foreign Ministry ambassadors, he worked in 1956-1959 and as ambassador to Lisbon and The Hague from 1959 to 1964