Last night's €11 million Lottto winner bought their ticket in Co Leitrim.
The National Lottery says the lucky ticket was sold in Spar on Main Street in Kinlough.
The winning numbers are 10, 11, 12, 15, 18, 19 and the bonus is 35.
The winner has 90 days to collect their prize money.
They join the ranks of the biggest winners in Irish Lotto history.
Just 20 jackpots worth over €10 million have been won by players in Ireland.