He has been named as Panayiotis Yiannios.
The ministry of defence on Wednesday night sent its sincere condolences to the family and to other contract soldiers.
Yiannios died on Wednesday afternoon in Nicosia general hospital ICU.
The special forces contract soldier was injured as part of a military training exercise on Monday since when he had been in critical condition at Nicosia general hospital ICU.
The soldier had been intubated and...