De Gooyer is a windmill in Amsterdam located between Funenkade and Zeeburgerstraat. It is the tallest wooden mill in the Netherlands. It is registered as a National Monument
The names dates from the around 1609, when the mill was owned by Claes and Jan Willemsz, two brothers from Gooiland. It is also known as "The Funenmolen" .
The Gooyer consists of a stone foundation topped by a wooden octagonal body. The mill is owned by the municipality of Amsterdam and is not open to visitors. Although the blades are functional, they no longer operate any grinding mechanism.
Next to the mill, in the former municipal bathhouse dating back to 1911, is the Brouwerij 't IJ. The mill and the bathhouse building are unrelated, and the mill fulfils no function for the brewery despite the image of a mill being in the brewery logo.