Mielzynski
Mielzynski is a family name for the following people:
- Erin Mielzynski (* 1990), Canadian water skier and ski racer
- Jenna Mielzynski (* 1988), Canadian water skier
- Josef Mielzynski (1824–1900), Polish landowner and politician
- Mathias Mielżyński (1799–1870), Polish landowner and politician
- Mathias von Brudzewo-Mielzynski ( Maciej Ignacy Mielżyński ; 1869–1944), Polish officer and politician, MdR