Dolni Dabnik Municipality () is a municipality (obshtina) in Pleven Province, Northern Bulgaria. It is named after its administrative centre - the town of Dolni Dabnik.
The municipality embraces a territory of with a population, as of December 2009, of 14,438 inhabitants.
(towns are shown in bold):
The following table shows the change of the population during the last four decades.
According to the latest Bulgarian census of 2011, the religious composition, among those who answered the optional question on religious identification, was the following: