Barbu Alinescu (20 January 1890–30 November 1952) was a major general of the Romanian Armed Forces during World War II.

At the start of World War I he fought at the Battle of Turtucaia in 1916, after which he was promoted to captain and then to major the next year.

[3] After Romania entered World War II on the side of the Axis Powers, he became General Officer Commanding 4th Infantry Division on 1 August 1942.

In November 1942, at the start of Battle of Stalingrad, his division was part of the 7th Corps (commanded by lieutenant general Florea Mitrănescu [ro]) of the Fourth Army (under the command of lieutenant general Constantin Constantinescu-Claps).

[4] In 1943 Alinescu was promoted to major general (in reserve), and on 1 July 1945 he was recalled to active duty.