Mageean clinched victory in the 3,000m at the Irish Indoor Championships on Saturday while another Rio Olympian O’Flaherty won the 1500m title on Sunday.
North Down athlete Reynolds booked his spot by winning the Irish title on Sunday, after finishing a creditable fifth at the Birmingham Grand Prix on Saturday.
Clonliffe runner Brian Gregan is currently 10th in the European indoor 400m rankings while John Travers will have hopes of at least repeating his achievement of reaching the 1500m final at the last championships in Prague two years ago.
Zak Curran (DSD) and Tomas Cotter (Dunleer) make their European Indoor debuts in the 800m and 3,000m respectively while Sinead Denny and Phil Healy will race in the women’s 400m.
Healy has also been named for the 60m but her principal focus in Belgrade will be the longer event.
Finn Valley stalwart Patsy McGonagle will manage the Ireland team in the Serbian capital.
Ireland team
Women
60m: Amy Foster (City of Lisburn), Ciara Neville (Emerald), Phil Healy (Bandon)
400m: Phil Healy, Sinead Denny (DSD)
1500m: Ciara Mageean (UCD), Kerry O’Flaherty (Newcastle)
Men
400m: Brian Gregan (Clonliffe)
800m: Z Curran (DSD)
1500m: John Travers (Donore)
3000m: Tomas Cotter (Dunleer)
60m hurdles: Ben Reynolds (North Down)