Sili may refer to:

Sili Province, a province of ancient China Sili, Samoa, a village in Samoa Sili (Olosega), a village in American Samoa Sili, the Welsh name of the following places in Wales: Sully, Vale of Glamorgan, a village Sully Island Sili Bank, a Chinese company

People with the name Liang Sili (1924–2016), Chinese rocket scientist Wei Sili (654–719), official of the Tang Dynasty

See also Silly (disambiguation) Silli block, in India