List of military / U

Uchatius, Franz Freiherr von (1811–1881), Austrian inventor (“Uchatius steel bronze”), weapons technician; Field marshal lieutenant; suicide
Udet, Ernst (1896–1941), German fighter pilot in the First World War; General air master; suicide
Ugaki, Kazushige (1868–1956), Japanese general and statesman; multiple Minister of War; Foreign minister
Ujest, Hugo, Prince of Hohenlohe-Oehringen, Duke von (1816–1897), General of the Infantry
Umezu Yoshijirō (1882-1949), Japanese general; Army Commander in Chief in World War II
Ungern-Sternberg, Roman von (1886–1921), baron of Baltic German origin in the service of the Tsar
Unruh, Walther von (1877–1956), German general in the Third Reich; Special representative for the review of the appropriate war effort ("Unruh Commission")
Uqba ibn Nafi (622–683), Arab governor of Ifriqiya
Urabi Pascha (1841–1911), also Orabi Pascha, Egyptian officer and leader of the Urabi movement
Urban, Karl Freiherr von (1802–1877), Austrian field marshal lieutenant; suicide
Urff, Georg Ludwig von (1698–1760), Lieutenant General Hesse-Kassel
Urff, Wilhelm von (1799–1855), Major General of the Electorate of Hesse, member of the Hessian Estates Assembly
Urquhart, Robert Elliott CB DSO (1901–1988), British general in World War II; Commander of the British 1st Airborne Division during Operation Market Garden
Urquiza, Justo José de (1801–1870), Argentine general and statesman; murdered
Urville, Jules Cesar Sebastien Dumont d ' (1790–1842), French rear admiral
Uryū Sotokichi (1857–1937), Japanese admiral
Uschakow, Fjodor Fjodorowitsch (around 1745-1817), Russian admiral
Uslar, Peter Karlowitsch von (1816–1875), Russian engineer, linguist and officer
Ustinow, Dmitri Fyodorowitsch (1908–1984), Soviet Defense Minister and Marshal of the Soviet Union