Leader of the Opposition (Ireland)

The Leader of the Opposition () in Ireland is the politician who, , leads the Parliamentary Opposition in the lower house of the Irish Parliament, Dáil Éireann. 
When in the Dáil, the Leader of the Opposition sits on the right-hand side of the Ceann Comhairle and directly opposite of the Taoiseach.
To date there have been 17 Opposition Leaders, 9 of whom have been Taoiseach. The current Leader of the Opposition is Mary Lou McDonald TD of the Sinn Féin party since June 2020.