Nios

Nios or NIOS may refer to:

Places

 * Ios or Nios, a Greek island

Computing

 * Network I/O System, Digital Research's NIOS component in CP/NET in the 1980s
 * NetWare I/O Subsystem, Novell's NIOS component in the 32-bit network clients in the mid-1990s
 * Nios embedded processor, Altera 16-bit embedded processor
 * Nios II, Altera 32-bit embedded processor

Other uses

 * National Institute of Open Schooling, the board of education in India
 * Hyundai Grand i10 Nios, a 2019–present Korean-Indian city car