Orwin is both a surname and a given name. Notable people with the name include:
Clifford Orwin (born 1947), Canadian academic John Orwin (born 1954), English rugby union player Joanna Orwin (born 1944), New Zealand writer Louise Orwin, British performance artist Martin Orwin (born 1963), English linguist and writer Orwin Castel (born 1973), Mauritian footballer
See also Orwin, Pennsylvania, census-designated place in Schuylkill County, Pennsylvania, United States