Leo Makkonen is a Finnish Orthodox prelate who served as Archbishop of Helsinki and All Finland.

After completing studies in 1972 at the Kuopio seminary, he was ordained deacon on 20 July 1973 and priest two days later.

He was consecrated Bishop of Joensuu on 25 February 1979, then served as Metropolitan of Oulu from 1980–1996.

From 1996–2001 he served as Metropolitan of Helsinki, before taking up his post as Archbishop of Karelia;[2] he was confirmed on 27 October 2001.

Makkonen retired in November 2024 after the election of his successor Archbishop Elia.