Man Writing a Letter is an oil painting on a wood panel Dutch painter Gabriël Metsu made at the height of his career.

The painting shows a young man sitting in front of an open window, writing a letter with a quill pen.

A pastoral landscape by Jacob van der Does the Elder is hanging on the wall; on top of the gilded frame, a dove is carved.

They would descend to Lord Francis Pelham Clinton Hope, who sold them in 1898 as part of a collection of Dutch and Flemish paintings that was purchased by the art dealers A. Wertheimer and P. & D. Colnaghi.

Reviewing an exhibition of works by Metsu in The New York Times in 2011, Karen Rosenberg called them "stunning",[12] and Susan Stamberg of NPR dubbed Man Writing a Letter "one of his most important crowd pleasers" and described the pair as "gorgeously painted with fabulous technique and meticulously rendered details".