The Popular Handbook of Archaeology and the Bible, by Joseph M. Holden and Norman Geisler, pp303-305 gives a list of many names of "New Testament Persons Cited in Ancient Non-Christian Sources."
Some of those names include:
Herod Agrippa I and II, Ananias (high priest), Annas (high priest), Herod Antipas, Herod Archelaus, Caesare Augusus (Octavious), Bernice,
Aciaphas (high priest), Emporer Claudius, Drusilla, Felix, Porcius Festus, Gallio, Gamaliel, King Herod (Judea), Herodias, James (sone of Mary), Jesus (of Nazareth), John the Baptist, Joseph (adoptive father of Jesus), Judas the Galilean, Pontius Pilate, Quirinius, Salome, Sergius Paulus, Theudas, Tiberias Caesar.
The pages give the source of the mentions as well as the verses they appear in the Bible.