Oskari Heikki Jussila (Oskar Henrik, 16 April 1888 Leppävirta, Finland – 24 April 1955 in Alatornio, Finland) was a Conservative Laestadian provost, vicar for multiple parishes, and the area provost of the Tornio area in 1938–1955. He also worked as editor for the religious newspapers and in 1919–1945, as well as a member of parliament with the National Coalition Party in 1922–1929 and 1930–1933. Jussila's father was Heikki Jussila (1863-1955), a Conservative Laestadian lay preacher and Volksschule teacher.