'''Achterbahn''' is German for rollercoaster.
It may also refer to: *Achterbahn (song), by German singer Helene Fischer 2017 *Achterbahn (opera), German premiere version 2011 of the opera ''Miss Fortune'' by Judith Weir *''Achterbahn'', 2014 German album by Wise Guys (band) *Achterbahn (stream cipher) {{dab}}