The central premise of the present chapter is that humans routinely undervalue animals relative to themselves. This devaluing has implications not only for animals, in terms of welfare and exploitation, but also for humans. For instance, devaluing animals increases the social value of representing other social groups as animal-like, thus denying these human groups the protections otherwise afforded to humans (and one’s own group). But there are also implications for those who protect animals or, at minimum, refuse to engage in the exploitation of animals. Recent research demonstrates that among many meat eaters, vegans and vegetarians are relatively disliked and viewed as threatening. This is particularly the case for vegans and vegetarians who cite animal justice (vs health or environmental concerns) for their renunciation of meat. Overall the research record increasingly shows that our thinking about animals is intimately and systematically linked to our thinking about other human groups in ways that entrench dominance over animals and those mentally associated with animals. The implications of these associations are explored.