Konstantinos Beglektsis (; born 5 January 1995) is a Greek footballer who plays as a striker for Palliniakos.
He made his professional debut for Panionios on 10 February 2013 against PAS Giannina F.C. on a 0-1 defeat under coach Dimitrios Eleftheropoulos.
He made his international debut for Greece U18 on 5 January 2013 against Slovenia U18.
He is nephew of former Greek international footballer Nikos Liberopoulos.