Regen (disambiguation)

Regen is a town in Bavaria, Germany.

Regen may also refer to
 * Regen (district) around the town of Regen
 * Regen (river) in Germany
 * Radio Regen, a radio charity in Manchester, England
 * Ivan Regen (1868–1947), biologist
 * Regen SW, renewable energy agency in south-west England
 * Rain (1929 film), a Dutch short film titled Regen in Dutch
 * Short for regeneration, as in:
 * Regenerative braking
 * DPF regen, see
 * DPF regen, see