Croghan may refer to: Places Ireland Croghan (village), County Offaly, Ireland Croghan, County Roscommon, Ireland Croghan Hill, a hill in County Offaly, Ireland Croghan Mountain, a peak in the Wicklow Mountains, Ireland United States Croghan (town), New York Croghan (village), New York Mount Croghan, South Carolina People Davis Croghan (1832–1890), priest George Croghan John Croghan (1790–1849), physician Mark Croghan (born 1968), American middle-distance runner