There have been a spate of gruesome sorcery killings this year, including one where a women was burnt alive on a main street in one of PNG's biggest towns.
The belief in sorcery or witchcraft is widespread in PNG. Even well-educated Papua New Guineans believe supernatural powers can be used to harm or kill.
The conference in Goroka aims to present the government with a comprehensive plan to address the problem.
Some experts believe sorcery killings are becoming more frequent, more violent and spreading to areas where they have never been seen before.