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