Theofanis "Fanis" Katergiannakis (Θεοφάνης Κατεργιαννάκης) (born 16 February 1974) is a football player who plays as a goalkeeper.
Katergiannakis started his carrier in the young team for Ethnikos Pylaias a team in his town in Tracia. In the season 1992/1993 Ethnikos Pylaias, with Katergiannakis as goalkeeper achieved a great season, gained the Greek Fourth Division. After that Katergiannakis received an offer from Aris Thessaloniki F.C. the mean club in Thessaloniki quite hard to refuse.