The Rind et al. controversy was a debate in the scientific literature, public media, and government legislatures in the United States regarding a 1998 peer reviewed meta-analysis of the self-reported harm caused by child sexual abuse (CSA). The debate resulted in the unprecedented condemnation of the paper by both chambers of the United States Congress. The social science research community was concerned that the condemnation by government legislatures might have a chilling effect on the future publication of controversial research results.

The study's lead author is the psychologist Bruce Rind; it expanded on a 1997 meta-analysis for which Rind is also the lead author. The authors stated their goal was to determine whether CSA caused pervasive, significant psychological harm for both males and females, controversially concluding that the harm caused by child sexual abuse was not necessarily intense or pervasive, that the prevailing construct of CSA was not scientifically valid, as it failed empirical verification, and that the psychological damage caused by the abusive encounters depends on other factors, such as the degree of coercion or force involved. The authors concluded that even though CSA may not result in lifelong, significant harm to all victims, this does not mean it is not morally wrong and indicated that their findings did not imply current moral and legal prohibitions against CSA should be changed.

The Rind et al. study has been criticized by many scientists and researchers, on the grounds that its methodology and conclusions are poorly designed and statistically flawed. Its definition of harm, for example, has been the subject of debate, as it only examined self-reported long-term psychological effects in young adults, whereas harm can have several forms, including short-term or medical harm (for example, sexually transmitted infections or injuries), a likelihood of revictimization, and the amount of time the victim spent attending therapy for the abuse. Numerous studies and professional clinical experience in the field of psychology, both before and after Rind et al.'s publications, have long borne out that children cannot consent to sexual activity and that child and adolescent sexual abuse cause harm. Psychologist Anna Salter comments that Rind et al.'s results are "truly an outlier" compared to other meta-analyses.

The Rind paper has been quoted by people and organizations advocating age of consent reform, pedophile or pederasty groups, in support of their efforts to change attitudes towards pedophilia and to decriminalize sexual activity between adults and minors (children or adolescents), and by defense attorneys who have used the study to minimize harm in child sexual abuse cases.