Gaenna \ga(en)-na\ as a girl's name is a variant of Guinevere (Welsh), and the meaning of Gaenna is "fair one; white and smooth, soft".

The baby name Gaenna sounds like Genna, Guenna and Gwenna. Other similar baby names are Glenna, Lanna, Ianna, Canna, Carenna, Danna, Daena, Denna, Jenna, Genia, Gena, Geena, Gaea, Gaiana, Gaetana, Gafna, Galina, Gana, Gavina, Galena, Gayna, Gaenor, Genny, Gianna, Gionna, Geonna, Ginna, Geina, Geana, Glenne, Glenn, Gleana, Gwynna, Gwenny, Gwenn, Guinna, Gunna, Gwenni, Gwinna, Hanna, Jaena, Janna, Genni, Wanna, Wahnna, Kenna, Lenna, Makenna, Nanna, Nenna, Penna, Quenna, Raeanna, Ranna, Sanna, Zanna, Vanna, Sienna, Venna, Vienna, Geenia, Yanna and Zenna.