Seddon may refer to:
People Seddon (surname)
Places Australia Hundred of Seddon, a cadastral unit in South Australia Seddon Conservation Park, a protected area in South Australia Seddon, South Australia, a locality Seddon, Victoria, a suburb Seddon railway station
New Zealand Seddon, New Zealand, a town Seddonville, a locality
See also
Seddon Atkinson, former British vehicle manufacturer