IGY
Look up igy in Wiktionary, the free dictionary.
IGY may refer to:
- Immunoglobulin Y, a type of antibody found in birds but not mammals
- International Geophysical Year
- "I.G.Y. (What a Beautiful World)", a 1982 song by Donald Fagen
- Israel Gay Youth
This disambiguation page lists articles associated with the title IGY.
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