IFG may refer to:
IFG Group, Irish financial parent company of James Hay Partnership Impaired fasting glycaemia, or impaired fasting glucose - a pre-diabetic condition Inferior frontal gyrus, part of the brain's prefrontal cortex Institute for Government, a United Kingdom-based think tank Interframe gap, a transmission pause in computer networking International Fruit Genetics, a California-based fruit breeding company Indian Field Gun, Indian gun