We explored people’s mental models of robot scent: imagined and real. To this end, we conducted exploratory human participant research on scent-to-robot matching and controlled experiments of different scents for different robots. We aimed to spark research on robot aroma and olfactory interaction. The results may be used in the design of robots that work closely with people, such as in the workplace, in the home, as (aroma)therapeutic robots, and in customer service settings, especially at storefronts.