Große Aa (disambiguation)

Große Aa may refer to the following streams or rivers:

• Große Aa, a tributary of the River Ems in Lower Saxony, Germany
• Große Aa (Aabach), a tributary of the Aabach in North Rhine-Westphalia, Germany
• Alternative name for the middle course of the Aabach, a tributary of the Afte in North Rhine-Westphalia, Germany
• Große Aa (Belgium), a headstream of the Aa of Weerijs in the Province of Antwerp, Belgium