Dekina is a local government area in Kogi State, Nigeria. Its headquarters are in the town of Dekina, on the A233 highway in the Middle Belt area at .
The northeasterly line of equal latitude and longitude passes through the southeast of the LGA.
It has an area of and a population of 260,312 at the 2006 census.
The postal code of the area is 272.
With a year-round temperature range of 64ðF to 93ðF and a wet season marked by overcast skies and a dry season marked by humid skies, the climate is hot and oppressive.