Kogălniceanu or Cogălniceanu (Romanian pronunciation: [koɡəlniˈt͡ʃe̯anu]) may refer to:
- Kogălniceanu family, a Moldavian and Romanian boyar family whose members include:
- Constantin Kogălniceanu, legislator
- Enache Kogălniceanu, courtier, man of letters, brother of Constantin
- Mihail Kogălniceanu, liberal statesman, lawyer, great-grandson of Constantin
- Vasile Kogălniceanu, agrarian politician, son of Mihail
- Dan Cogălniceanu, actor