Siana is a city in Uttar Pradesh, India.

Siana may also refer to:

Syana Tehsil, in Uttar Pradesh, India Syana (Assembly constituency) Siana, Rajasthan, a village in Rajasthan, India Siana, Greece, a settlement in Rhodes, Greece Siana, Asturias, a parish in Mieres, Asturias, Spain. Siana (given name)

People with the surname Jolene Siana, American writer

See also Siana cup, a type of Ancient Greek cup Syana (disambiguation)