Mlynčeky (Hungarian: Tátraháza, German: Mühlerchen, Rusyn: Млінчекі) is a village and municipality in Kežmarok District in the Prešov Region of north Slovakia.

The municipality lies at an altitude of 680 metres and covers an area of 7.679 km² .

At the end of 18th century was just one watermill located at the place of present village.

Before the establishment of independent Czechoslovakia in 1918, the settlement of Mlynčeky was part of Szepes County within the Kingdom of Hungary.

On 27 January 1945, the Red Army dislodged the Wehrmacht from Mlynčeky in the course of the Western Carpathian offensive and it was once again part of Czechoslovakia.