Eochia Union () is a union parishad of Satkania Upazila in the Division of Chittagong, Bangladesh.
Eochia Union's total area is 23.91 km<sup>2</sup>
As of 2011, Eochia Union total population is 19,925. There are male 9849 and female 10,076.
The current chairman of Eochia is Abu Saleh.