In what sense do Anglicans believe in baptismal regeneration? This article contends that according to historic Anglicanism, baptism effectually regenerates those who faithfully receive it. While this is a disputed claim even among Anglicans, it is consistent with the formularies of the Church of England, and it largely represents a predominant position held by Anglicans across the centuries. Article XXVII of the Thirty-Nine Articles of Religion will serve as the primary point of reference for assessing the above question. The following study is organized in three sections that respectively address: (1) the sacramental efficacy of baptism; (2) the regenerative nature of baptism; and (3) the need for faith to accompany baptism. Each section examines diverse historical expressions relevant to these doctrines in light of their scriptural basis. A brief reflection on infant baptism concludes the paper.