Silna (disambiguation)

Silna is a village in western Poland.

Silna or SILNA may also refer to:
 * South Island Landless Natives Act 1906, an Act of Parliament in New Zealand
 * Silná, the feminine form of the Czech surname Silný
 * Barbora Silná (born 1989), Czech-Austrian ice dancing coach
 * Ozzie and Daniel Silna (1932–2016, 1944), American businessmen