A total of nine Blades will link up with their respective countries during the forthcoming international break.
Republic of Ireland duo John Egan and Enda Stevens have both been named in Martin O'Neill's squad for their home Nations League fixtures against Demark and Wales, with the Welsh squad, who also face Spain, including Liverpool loanee Ben Woodburn.
Oliver Norwood will once again link up with Northern Ireland for their double header against Austria and Bosnia & Herzegovina.
Goalkeeper Dean Henderson has been named in the England U21 squad for their two qualifiers against Andorra and Scotland, with the first of those fixtures taking place at Chesterfield's Proact Stadium.
Development striker David Parkhouse is in the Northern Ireland U21 squad, whilst Rhys Norrington-Davies will link up with Wales in the same age group.
Finally, Jordan Doherty has been selected by Republic of Ireland's U19s and stopper Marcus Dewhurst is in the England U18s squad for their St. George's Park double header against Sweden and the Czech Republic.