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 (disambiguation), various people John Croghan (1790–1849), physician Mark Croghan (born 1968), American middle-distance runner