Kaczynski
Kaczynski or Kaczyński is a Polish-language surname. Its Lithuanian equivalent is Kačinskas.
| Language | Masculine | Feminine |
| Polish | Kaczyński | Kaczyńska |
| Lithuanian | Kačinskas | Kačinskienė
Kačinskaitė |
Ukrainian
| Качинський
| Качинська
|
People
- Andrew Kaczynski, American journalist and political reporter for BuzzFeed
- Bogusław Kaczyński, Polish classical music journalist
- David Kaczynski, American activist, Theodore Kaczynski's brother
- Jarosław Kaczyński, Polish politician, former prime minister of Poland
- Lech Kaczyński, Polish politician, former president of Poland, Jarosław Kaczyński's twin brother
- Maria Kaczyńska, Polish economist, Lech Kaczyński's wife
- Richard Kaczynski, American writer
- Ryszard Kaczyński, Polish politician
- Ted Kaczynski, American mathematician, social critic, and serial terrorist mail-bomber known as the Unabomber
