The Mesdag Collectie is a Dutch museum located in The Hague.

It is located near what was once the home of the Dutch painter Hendrik Willem Mesdag. The Mesdag Collection exhibits art objects that the artist and his wife Sina van Houten collected in the years 1866 to 1903.

Mesdag Collectie contains paintings from the Hague School (Willem Roelofs and Anton Mauve, Alma Tadema and from the Barbizon School (Théodore Rousseau, Jean-François Millet). Other 19th century French artists are Corot, Delacroix. many paintings by Antonio Mancini.

The Mesdag Collectie collection also houses a collection of objects, bronzes and ceramics from various sources.