Catamorphosis is an orchestral composition written by the Icelandic composer Anna S. Þorvaldsdóttir. The work was co-commissioned by the Stiftung Berliner Philharmoniker, the New York Philharmonic, the City of Birmingham Symphony Orchestra, and the Iceland Symphony Orchestra. It was first performed by the Berlin Philharmonic conducted by Kirill Petrenko at the Berliner Philharmonie on January 27, 2021.