Eltham is a district of southeast London, England, within the Royal Borough of Greenwich.
Eltham may also refer to:
- Eltham, Alberta, Canada
- Eltham, New Zealand, a small town in southern Taranaki, New Zealand.
- Eltham, Victoria, a suburb of Melbourne, Victoria, Australia.
- Eltham, New South Wales, a small rural place approximately 14 km (8.7 mi) northeast of Lismore
- Eltham, Virginia, a small unincorporated community in New Kent County, Virginia, United States