L/Cpl Michael Campbell, 32, from Colwyn Bay was shot in 2012 while on patrol with 3rd Battalion, The Royal Welsh.
The Army reservist died at Birmingham's Queen Elizabeth Hospital last month.
The MoD described him as a "true Welsh Warrior". His funeral will take place with full military honours at St Paul's Church in Colwyn Bay.
The funeral of a soldier from Conwy county who died from wounds sustained in Afghanistan three years ago is to be held on Friday.