  The IceCube Observatory at the South Pole has been operating in its full
configuration since May 2011 with a duty cycle of about 99%. Its main component
consists of a cubic-kilometer array of optical sensors deployed deep in the
Glacial ice designed for the detection of high-energy astrophysical neutrinos.
A surface array for cosmic ray air shower detection, IceTop, and a denser inner
subdetector, DeepCore, significantly enhance the capabilities of the
observatory, making it a multipurpose facility. This list of contributions to
the 38th International Cosmic Ray Conference in Nagoya, Japan (July 26 - August
3, 2023) summarizes the latest results from IceCube covering a broad set of key
questions in physics and astrophysics. The papers in this index are grouped
topically to highlight IceCube contributions related to high-energy neutrino
and multi-messenger astrophysics, cosmic-ray physics, low-energy neutrino
transients such as Galactic supernovae, fundamental physics, detector
calibration and event reconstruction, education and public outreach, and
research and development for the IceCube Upgrade, a scheduled dense sensor
infill complemented by calibration devices. Contributions related to
IceCube-Gen2, the future extension of IceCube, are available in a separate
collection.
