Police did not say where exactly the search warrant was carried out but said evidence was found in a residence and a man who lived in the home was arrested.
He has been charged with possession of child pornography, making child pornography and accessing child pornography.
The accused was not identified by Guelph police. He was released from custody on a promise to appear in court on Dec. 6.
The service thanked Waterloo Regional Police for the assistance as their technical crimes unit was involved in carrying out the search warrant.