Garde-Regiment zu Fuß) was an infantry regiment of the Royal Prussian Army formed in 1806 after Napoleon defeated Prussia in the Battle of Jena–Auerstedt.

It was formed by combining all previous Foot Guard Regiments, especially the 6th and the 15th Infantry Regiments of the Old Prussian Army, the former were the famous Potsdam Giants of Frederick William I of Prussia, the latter was commanded and led by Frederick the Great as his life guard, and was, from its inception, the bodyguard-regiment of Kings of Prussia.

[1] The first regimental commander of the 1st Foot Guards was Second Lt. Julius Ludwig von Pogwisch, who served from 4 November 1806 to 15 April 1807.

He held this position through the end of the war and was replaced by Col. Anton Wilhelm Karl von L'Estocq on 12 December 1874.

Prince Eitel Friedrich of Prussia began his command of the 1st Foot Guards on 1 August 1914, a few days after the beginning of World War I.