{| class="wikitable"
|-
|style="background:#efefef;"|[[Yrjö Sirola]]
|1918–1920
|-
|style="background:#efefef;"|[[Kullervo Manner]]
|1920–1935
|-
|style="background:#efefef;"|[[Hannes Mäkinen]]
|1935–1937<ref name="krekola108">Joni Krekola: Stalinismin lyhyt kurssi (SKS 2006), p. 108.</ref>
|-
|style="background:#efefef;"|[[Jukka Lehtosaari]]
|1937–1938<ref name="krekola108"/>
|-
|valign="top" style="background:#efefef;"|[[Aimo Aaltonen]]
|1944–1945 &<br/>1948–1966
|-
|style="background:#efefef;"|[[Aaro Uusitalo]]
|1945–1948
|-
|style="background:#efefef;"|[[Aarne Saarinen]]
|1966–1982
|-
|style="background:#efefef;"|[[Jouko Kajanoja]]
|1982–1984
|-
|style="background:#efefef;"|[[Arvo Aalto]]
|1984–1988
|-
|style="background:#efefef;"|[[Jarmo Wahlström]]
|1988–1990
|-
|style="background:#efefef;"|[[Heljä Tammisola]]
|1990–1992
|}
Filosofi Historie Foreninger Organisationer