Sekigahara (関ヶ原) may refer to:
- Sekigahara, Gifu, a present-day town in Gifu Prefecture, Japan
- Sekigahara Station, a railway station of the town
- Battle of Sekigahara, a battle in 1600 which took place in the town
- Sekigahara-juku, a historical rest area of the Nakasendō, located in the town
- Film
- Sekigahara (film), a Japanese film