Comhairle na Poblachta was an Irish republican organisation established in 1929.
The organisation had the support of the IRA, which had agreed to its formation at its General Army Convention in January 1929. The IRA envisaged it as a co-ordinating body of anti-Treaty republican forces and its membership was drawn from Sinn Féin, Comhairle na dTeachtaí (consisting of the remaining anti-Treaty members of the Second Dáil), the IRA, Cumann na mBan and left-wing republicans.