Markajmy is a village in the administrative district of Gmina Lidzbark Warmià Âski, within Lidzbark County, Warmian-Masurian Voivodeship, in northern Poland. It is located in the historic region of Warmia.
There is a small cemetery of the Commonwealth War Graves Commission in Markajmy at which British and Commonwealth prisoners-of-war of Germany from World War I are buried.