Van der Aa is a Dutch toponymic surname meaning "from the Aa (river)", of which there are a few dozen in the Low Countries alone.
Those bearing this name include:
Abraham Jacob van der Aa (1792–1857), Dutch author of biographical and geographical dictionaries of the Netherlands Christianus Carolus Henricus van der Aa (1718–1793), Dutch pastor and secretary of science society Christianus Robidé van der Aa (1791–1851), Dutch jurist and writer Cornelis van der Aa (1749–1816), Dutch historian Dirk van der Aa (1731–1809), Dutch painter Hubertus Antonius van der Aa (1935–2017), Dutch mycologist Jan III van Gruuthuse en van der Aa (1368–1420), Flemish-Burgundian knight Michel van der Aa (born 1970), Dutch composer Petrus van der Aa (1530–1594), Brabantine jurist Philips van der Aa (died after 1586), Dutch politician Pieter van der Aa (1659–1733), Dutch publisher Sandra van der Aa (born 1972), Dutch athlete
See also Aa (surname)