Tante Koosje is a restaurant located in Loenen aan de Vecht in the Netherlands.

It is a fine dining restaurant that was awarded one Michelin star in the period 1998-2003 and 2006–2012.

[10] Head chef of Tante Koosje is Roland Veldhuijzen.

[15] - 2006–present: Roland Veldhuijzen - 2006: Sidney Heinze - 2003: Joost de Vos[16] - 2002: Erik de Boer[17] According to the website of the restaurant, the name "Tante Koosje" is derived from mrs. Koosje Edema, former occupant of the building.

She led a reclusive life, but was still well known in Loenen aan de Vecht.