Other Uses
- Gaga (genus), a category of fern named for Lady Gaga
- Gaga (god), a minor Babylonian deity
- Gaga, a Filipino word which means crazy
- Gaga, a dialect of the Franco-Provençal language spoken in the region around Saint-Étienne, France
- Algebraic geometry and analytic geometry or Géométrie Algébrique et Géométrie Analytique, an influential paper by Serre
- Gaga, meaning crazy or silly
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