Dudnik
Dudnik or Dudnyk is a gender-neutral Slavic surname. Notable people with the surname include:
- Alexander Dudnik, Kazakhstani serial killer
- Andrei Dudnik, Russian football player
- Ihor Dudnyk, Ukrainian football defender
- Olesya Dudnik, Ukrainian gymnastics coach and former artistic gymnast
- Yelena Dudnik, Russian sport shooter
- Yuriy Dudnyk, Ukrainian football coach and a former player
- Yurii Dudnyk, Ukrainian football player