Siena \si(e)-na\ as a girl's name is pronounced see-EN-ah. It is of Latin origin, and the meaning of Siena is "from Siena". Place name: the city of Siena in Italy, known for its art treasures. The town gave its name to a reddish shade of brown.

Siena has 1 variant form: Sienna.

Baby names that sound like Siena are Sina, Sena, Siana and Signa.