The 3rd government of Ireland was the government of Ireland formed after the 1943 general election to the 11th Dáil held on 23 June. It was a single-party Fianna Fáil government led by Éamon de Valera as Taoiseach. Fianna Fáil had been in office since the 1932 general election. It lasted for 345 days.

The 1943 Irish general election to the 11th Dáil was held on Wednesday, 23 June, having been called on 31 May by proclamation of President Douglas Hyde on the advice of Taoiseach Éamon de Valera. It took place in 34 parliamentary constituencies for 138 seats in Dáil Éireann, the house of representatives of the Oireachtas. Fianna Fáil lost its overall majority of seats. The outgoing 10th Dáil was dissolved on 26 June, although it had not met after 26 May.