Linguistic and anthropological research has demonstrated that language ideologies play a complex role in contexts of language endangerment, as well as in revitalization initiatives. In this paper, we articulate some central ways in which these beliefs and interests can translate into significant barriers to successful language revitalization. Based on collaborative ethnographic fieldwork with Indigenous languages in North and South America, we propose a model for planning language ideologies as a practice that can be deliberately incorporated into revitalization efforts. Given the urgency of the situation facing many languages, we argue that treating language ideologies as requiring planning is necessary and offer preliminary suggestions about what this planning could look like by analyzing examples around the language ideology assemblages of language teaching and learning.