Siana \sia-na\ as a girl's name is a variant of Shawna (English) and Sian (Welsh). See for meaning of Siana. See also Shana.

The baby name Siana sounds like Tiana, Ciana, Sana, Seana, Sina, Sianna, Siena and Signa. Other similar baby names are Liana, Siara, Diana, Giana, Jiana, Kiana, Qiana, Riana and Viana.