Sidera

Sidera can be:

Sidera

 * Sidera, a genus of fungi
 * Seleucia Sidera, ancient city in the northern part of Pisidia, Anatolia
 * Cosmica Sidera, initial name for Galilean moons
 * Sidera Lodoicea, name given by the astronomer Giovanni Domenico Cassini to the four moons of Saturn
 * Quem terra, pontus, sidera, ancient hymn in honour of the Blessed Virgin
 * Sidera, a neighbourhood in Chalandri
 * Sidera Networks, U.S. telecom company

Sideras

 * Loukas Sideras, drummer of the Greek progressive rock band Aphrodite's Child
 * Sideras, a village in Greece