Tammi \t(am)-mi\ as a girl's name is a variant of Tamara (Hebrew), Tammy (English) and Thomasina (Aramaic), and the meaning of Tammi is "date palm; twin".

The baby name Tammi sounds like Tamma, Tami, Tammie, Tommi and Timmi. Other similar baby names are Cammi, Kammi and Sammi.