Copernican means of or pertaining to the astronomer Nicolaus Copernicus (1473–1543).

Copernican may also refer to:

Science Copernican heliocentrism, the astronomical model developed by Copernicus Copernican principle, in physical cosmology Copernican period, in lunar geology Copernican Revolution, the 16th- to 17th-century intellectual revolution

Politics Copernican federalism, a US political model Copernican paradigm, an Australian political model

Music Symphony No. 2 (Górecki), a symphony by Henryk Górecki known as the Copernican Symphony, Op. 31

See also Copernicus (disambiguation)