Flaxby is a civil parish in the county of North Yorkshire, England. It contains two listed buildings that are recorded in the National Heritage List for England. Of these, one is listed at Grade II*, the middle of the three grades, and the other is at Grade II, the lowest grade. The parish contains the village of Flaxby and the surrounding countryside. Both the listed buildings are outside the village, and consist of a milepost, and a gazebo in a prominent position.