We talk about other people, and when we talk, we gesture. Research suggests that gestures expose people’s cognitions, facilitate communication, and generate learning. In this dissertation, I ask whether and how people’s gestures may communicate their impressions and stereotypes about others. To identify gestural correlates for stereotypes in a manner that is systematic and measurable, I examine participant social cognitions along the Stereotype Content Model (SCM; Fiske, Cuddy, Glick, & Xu, 2002). The SCM captures stereotype content using two dimensions: a target’s perceived intention (warmth) and their perceived ability to act on this intention (competence). These two dimensions have consistently been shown to be employed in deliberations about other people and groups. I hypothesize that competence and warmth will have different gestural correlates along vertical and sagittal space, respectively. In three chapters of this dissertation, I test these hypotheses from the vantage point of the perceiver of the gesture, the producer of the gesture, as well as the spontaneous interaction that occurs between them. In these three chapters, I ask whether: (1) people perceive competence in vertical gestures and warmth in sagittal gestures, (2) people think of competence when they produce vertical gestures and of warmth when they produce sagittal gestures and (3) people spontaneously generate vertical gestures when they talk about competence and sagittal gestures when they talk about warmth. Using different methodologies and trade-offs between experimental control and ecological validity, I test the viability of gestural representations of social cognitions in general and stereotype content in particular.