Apollinaria’s name day is January 4, the feast of Apollinaria the Senator's Daughter.
Churches that follow the Old (Julian) Calendar keep the same feast on January 17 of the civil calendar. See everything commemorated on January 4.
The saint behind the name
Apollinaria the Senator's Daughter
January 4, Holy Woman, Απολλιναρία
St. Apollinaria was the daughter of a Roman official of high rank in the fifth century. Tradition relates that she fled the world, disguised herself as a man, and lived as a monk in the Egyptian desert under the name Dorotheos, her identity being discovered only after her repose.
Name days: Apollinaria
What to say on a name day
The Greek wish is Χρόνια Πολλά (Chronia Polla), “many years.” A call or a short message on the day is what people remember. See name day wishes you can send and what a name day is.