Incumbent president Mustafa Akinci and the current Prime Minister Ersin Tatar contest in the runoff vote.
The president supports the island’s reunification with the majority Greek-speaking EU member, the Republic of Cyprus in the south.
But the right-wing Turkish nationalist Tatar supports separate sovereign administrations on the island — a plan that Turkey has recently said is the only solution to the decades-long dispute.
Tatar, who receives the backing of Turkish President Recep Tayyip Erdogan, won a 32 percent of the vote earlier this month, ahead of Akinci, who secured almost 30 percent of the vote.
Akinci also has the backing of Tufan Erhurman, a fellow Social Democrat, who came third last time around.