  This list of contributions to the 37th International Cosmic Ray Conference in
Berlin, Germany (12-23 July 2021) summarizes the latest results from the
IceCube Neutrino Observatory. IceCube, completed 10 years ago at the geographic
South Pole, comprises a surface detector designed to observe cosmic ray air
showers, a cubic-kilometer array of optical sensors deployed deep in the ice
sheet to observe TeV-PeV neutrinos, and a 15 Megaton deep-ice subdetector
sensitive to >10 GeV neutrinos. Data from IceCube are used to investigate a
broad set of key questions in physics and astrophysics, such as the origins of
galactic and extragalactic cosmic rays, the fundamental properties of
neutrinos, and searches for physics beyond the Standard Model. The papers in
this index are grouped topically to highlight IceCube contributions related to
neutrino and multi-messenger astrophysics, cosmic-ray physics, fundamental
physics, education and public outreach, and research and development for
next-generation neutrino observatories. Contributions related to IceCube-Gen2,
the future extension of IceCube, are available in a separate collection.
