Dirk De Ridder (born 6 August 1966) is a Belgian neurosurgeon.

De Ridder was born and raised in Ghent, Belgium, in an academic family, with both his parents being university professors.

The focus of his research is to understand the common mechanisms of different diseases such as pain, tinnitus, Parkinson's, depression and slow wave epilepsy, a group of diseases known as thalamocortical dysrhythmias.

De Ridder is recognized as one of the world's leading experts in tinnitus.

His interdisciplinary approach is exemplified by the fact that he has published with more than 40 different research groups worldwide.