All italian athletes not-born in Italy. For have an Italian citzenship you must live 10 years in Italy. So:
Pietro Figlioli - Waterpolo
Valentino Manfredonia - Volleyball *
Edwige Gwend - Judo **
Frank Chamizo - Wrestling
Libiana Grenot - Athletics
Osmany Juantorena - Volleyball
Yusneysi Santiusti - Athletics
Yadisley Pedroso - Athletics
Micheal Alexandre Bodegas - Waterpolo
Stefanie Horn - Canoe Slalom
Noemi Batki - Diving
Abdoullah Bamoussa - Athletics
Ayomide Folorunso - Athletics
Oleg Antonov - Volleyball
Jeanine Cicognini - Badminton
Nino Bertasio - Golf
Catherine Bertone - Athletics ***
Dariya Derkach - Athletics
Adrian Ignacio Carambula Raurich - Beach Volley
* born by Italian parents, he back in Italy at 2 years old
** She has lived in Italy since she was 9 months
*** born by Italian parents, she lived for 8 years in Brazil