‘Critical realism’ is to some extent an equivocal term, although its ambiguity has rarely been noticed. The reason for this ambiguity is that the term has constantly been reinvented. Nevertheless, the identity of the label and many family resemblances between its uses allowed for a transfer of thought between these different, although similar concepts, bearing the same name. The purpose of this article is to highlight the similarities and differences between the Barbour family of critical realism in science and religion (...) and Roy Bhaskar's understanding of critical realism, and also to show the existing connections between both approaches. (shrink)