Callan (disambiguation)
- Calan (disambiguation)
- Calla (name)
- Callan
- Callan (Parliament of Ireland constituency)
- Callan (TV series)
- Callan (barony)
- Callan (film)
- Callan Data Systems
- Callan River
- Callan, County Kilkenny
- Callen (disambiguation)
- Camp Callan
- Clara Callan
- Mount Callan
- Pototan, Iloilo
- USS General R. E. Callan (AP-139)