Maynooth's Mark Travers and Leixlip pair Andrew Omobamidele and Nathan Collins are all included.
The Republic of Ireland continue their preparations today ahead of tomorrow's clash with Portugal.
It's the final home game of the World Cup qualifying campaign, before a trip to Luxembourg on Sunday.
The Portugal squad arrives in Dublin later today, with midfielder Bernardo Silva a doubt for the match with a muscle injury.
Maynooth's Mark Travers and Leixlip pair Andrew Omobamidele and Nathan Collins are all included in Stephen Kenny's squad.
Meanwhile, the Republic of Ireland under-19s have just gotten their European Championship qualifying campaign underway.
Tom Mohan's side are taking on Montenegro in Bulgaria.
They'll play Bosnia and Herzegovina on Saturday before a meeting with Bulgaria next week.