Seanna \se(an)-na\ as a girl's name is a variant of Seana (Irish) and Shawna (English). See for meaning of Seanna.

The baby name Seanna sounds like Sanna, Sianna and Sueanna. Other similar baby names are Leanna, Deanna, Jeanna, Keanna, Reanna, Sevanna, Shanna and Teanna.