Sannah \s(an)-nah\ as a girl's name is a variant of Susannah (Hebrew), and the meaning of Sannah is "lily".

The baby name Sannah sounds like Sanna, Sannie, Sana, Zanna, Sanny, Seanna, Sianna and Zaynah. Other similar baby names are Lannah, Dannah, Hannah, Jannah and Shannah.