Pike River Mine families and some of their supporters have been trolled online, with one supporter's details posted on a gay dating website.
Some of the families run several Facebook pages, but two followers have been accusing everyone from the families' lawyer to West Coast-Tasman MP Damien O'Connor and even the mayor of a conspiracy theory. Even police have been accused of causing the second explosion at the mine.
Page administrator Graeme Axford said he was put on a gay dating site.
Two North Island women are now blocked from the Facebook pages.
Pike River widow Anna Osborne issued a statement about the "very unhelpful comments" and said the police had been contacted.