Pandaigdigang Unyong Astronomiko

International Astronomical Union
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Pagkabuo	1919
Base	Paris, France
Pagkamiyembro	10,145 individual members 64 national members
President	Robert Williams
General Secretary	Karel van der Hucht
Website	http://www.iau.org/

Ang Unyong Pandaigdig sa Astronomiya (Ingles:International Astronomical Union)(IAU) ay isang taguan ng mga sanay na astronomo, na nasa lebel Ph.D. at pataas, aktibo sa sanay na paghahanap at edukasyon sa astronomiya.

Talababa

• Statutes of the IAU, VII: General Assembly, ss. 13-15

Ugnay Panlabas

• Website of the International Astronomical Union
• XXVIth General Assembly 2006
• XXVIIth General Assembly 2009