Marcin (Polish pronunciation:, MAR-chin) is a male given name or surname. It is the Polish language equivalent of the English name Martin; the female version is Martyna.
Notable people with the name Marcin include:
Given name
- Marcin Gortat (born 1984), Polish basketball player
- Marcin Kaczmarek (born 1977), Polish butterfly swimmer
- Marcin Kalinowski (1605–1652), Polish nobleman
- Marcin Kromer (1512–1583), Polish historian and chronicler, royal secretary, bishop of Warmia
- Marcin Odlanicki Poczobutt (1728–1810), Polish-Lithuanian Jesuit astronomer and mathematician
- Marcin Świetlicki (born 1961), Polish poet, writer, musician
- Marcin of Urzędów (1500–1573), Polish priest, physician, botanist
- Marcin Wojciechowski (born 1981), Polish footballer
- Marcin Wolski (born 1974), Polish writer and satirist
- Marcin of Wrocimowice (died 1442), Polish knight and diplomat
- Stanislaw Marcin Ulam (1909–1984), Polish mathematician who participated in the Manhattan Project
Surname
- Max Marcin (1879–1949), Polish screenwriter and film director