Tanya Maria Geritsidou (in Greek: Τάνυα Μαρία Γεριτσίδου) (born 1978) (nom de plume Tantz Aerine) is a Greek psychopedagogue, artist, author, publisher and activist. She invests in the cultivation of the humanitarian and philhellenic spirit through legal action of international range, literature and scripts, as well as art works.