RISC is an abbreviation for reduced instruction set computer.

RISC or Risc may also refer to:

Computing Berkeley RISC Classic RISC pipeline, a component of early RISC aicrorchitectures CompactRISC, National Semiconductor family of RISC architectures MIPS RISC/os, a discontinued UNIX operating system developed by MIPS Computer Systems OpenRISC, a project to develop a series of open-source hardware PA-RISC, an instruction set architecture developed by Hewlett-Packard Research Institute for Symbolic Computation in Linz, Austria RISC iX, discontinued UNIX operating system RISC OS, operating system created by Acorn Computers RISC OS character set, used in the Acorn Archimedes History of RISC OS, Acorn Computers OS history RISC OS Open Ltd., (ROOL) a company engaged in computer software and IT consulting Risc PC, Acorn computer launched in 1994 RISC-V, an open-source instruction set architecture

Other RNA-induced silencing complex, a multiprotein complex involved in gene silencing Rockwell Integrated Sciences Center, a building on the campus of Lafayette College.

See also Risk (disambiguation)