Moriz Freiherr von Lyncker (30 January 1853 – 20 January 1932) was a Prussian officer of the German Empire and Chief of the Military Cabinet of Emperor Wilhelm II.
He was one of the general adjutants of the Kaiser during World War I with Oskar von Chelius, Hans von Plessen, and Hans von Gontard.
Lyncker was born in Spandau, Prussia, into a military family, with his father, his father-in-law and two brothers being officers. He took part in the Franco-Prussian War of 1870-71, and two of his sons died in the First World War.
His association with the Prussian royal family began when he served as aide-de-camp to Crown Prince Frederick William as a captain. Subsequently Lyncker was appointed military mentor to the adolescent Crown Prince Wilhelm and Prince Eitel Friedrich for three years, until 1898. After resuming his regular career, he successively commanded a Guards regiment and brigade, before taking up leadership of the 19th Division