Krysiak is a Polish-language surname. It is a patronymic surname of Northern Poland origin [1] formed by the addition of the diminutive suffix "-ak" to the diminutive form Kryś of father's first name Krzysztof (Christopher) or Krystian (Christian).[2]
Notable people with this surname include:
- Artur Krysiak (born 1989), Polish footballer
- Carolyn J. Krysiak (born 1939), American politician
- Ludwika Krysiak (1912–1944), Polish World War II underground fighter
- Wojciech Krysiak (born 1998), Polish gymnast