Constantin Prezan (January 27, 1861 Butimanu, Dâmbovița County – August 27, 1943) was a Romanian general during World War I and a Marshal of Romania afterward.General Prezan commanded the 4th Army Corps in 1915-1916, and then became head of the Romanian Fourth Army during the Romanian Campaign later in 1916. Prezan led the Romanian Armed Forces as it retreated into the northeastern part of Romania (Moldavia), and also in the Battle of Bucharest (November 1916).