IGS

IGS may stand for:

• Information Global Service, Japanese video game company
• Initial Graphics Exchange Specification, file extension .igs
• InteGraphics Systems a former chip manufacturer
• Interactive geometry software
• Internet Go server, for the game of Go
  • IGS Go server, Japanese Go server

• Image guided surgery
• Information Gathering Satellites, Japan
• Instrument guidance system

• Institute of General Semantics
• Intergenic spacer
• International Glaciological Society
• International Graphonomics Society
• International GNSS Service

• Ilkley Grammar School
• International Grammar School, Sydney
• Ipswich Grammar School
• Islington Green School

• Imerslund-Gräsbeck syndrome
• International Graduates Scheme, a UK immigration scheme
• Irish Georgian Society
• Ingolstadt Manching Airport, is a military airbase with civil usage located in Manching near Ingolstadt, Germany