The LoongArch architecture is a RISC-style ISA developed by Loongson. LoongArch64 is the 64-bit version of LoongArch.

This page contains details about a port of Debian for the LoongArch architecture called loong64. The Loongson vendor port of Debian was called loongarch64 and the Debian port is called loong64 as it is a shorter name and also the ABI has been changed from loongarch64.