2021 NEK Cup

The 2021 NEK Cup was the third edition of the NEK Cup. All four clubs in Nova English Korea were required to enter, and the competition determined Nova English Korea's qualifier for the 2021–22 EMUFA Champions' League.

Preliminary round

The two lowest-ranked clubs in the Mercurian football league system entered in the preliminary round.

Hanseong AFC v DaeZoom Dragons

Hanseong AFC	1 – 0 (a.e.t.)	DaeZoom Dragons

Semi-final

Gyeongju FC v Hanseong AFC

Gyeongju FC	2 – 1	Hanseong AFC

Final

Port Barret FC v Gyeongju FC

Port Barret FC	3 – 0	Gyeongju FC