Constantinescu
Constantinescu was originally a patronymic educated Romanian family name with the "Son of the importance Constantin ".
Name bearer
- Alexandru Constantinescu (* 1981), Romanian opera singer
- Constantin Constantinescu-Claps (1884–1961), Romanian general
- Corneliu Constantinescu (* 1929), Romanian mathematician
- Dan Constantinescu (1931–1993), Romanian composer
- Ella Zeller-Constantinescu (* 1933), Romanian table tennis player and official
- Emil Constantinescu (* 1939), Romanian politician
- Florentina Constantinescu (* ~ 1983), Romanian badminton player, see Florentina Petre
- Florin Constantinescu (* 1938), Romanian mathematician
- Liviu Constantinescu (1914–1997), Romanian geophysicist
- Miron Constantinescu (1917–1974), Romanian politician (PCR), sociologist and university professor
- Paul Constantinescu (1909–1963), Romanian composer
- Ruxandra Sireteanu-Constantinescu (1945–2008), Romanian-German biophysicist and neuroscientist
- Virgiliu Niculae Constantinescu (1931–2009), Romanian scientist and diplomat