Nenna \n(en)-na\ as a girl's name is a variant of Nina (Spanish, Hebrew), and the meaning of Nenna is "little girl; great-granddaughter".

The baby name Nenna sounds like Nanna, Neena, Neina, Nena and Nonna. Other similar baby names are Denna, Jenna, Genna, Kenna, Lenna, Penna, Venna and Zenna.