An ice storm is a type of storm characterized by freezing rain.
Ice Storm or Icestorm may also refer to:
- Ice storm warning, a message issued by the U.S. National Weather Service
- The Ice Storm (novel), a 1994 novel by Rick Moody
- The Ice Storm (film), a 1997 film by Ang Lee
- IceStorm, an open-source toolchain for iCE (FPGA) devices
- Icestorm, a low power CPU core design implemented in the Apple A14 and Apple M1 processors
- "The Ice Storm", or the Great Ice Storm of 1998