Quick answer
Panagiotis is a boy name meaning "all holy".
Meaning and history
This name comes from the Greek title of the Virgin Mary Παναγία (Panagia) meaning "all holy", derived from πᾶν ( pan ) meaning "all" combined with ἅγιος ( hagios ) meaning "devoted to the gods, sacred".
Notes and context
Usage: greek | Greek: Παναγιώτης