There are provided an image display device and an imaging device with which efficiency can be improved in the comparison of a plurality of images. A digital camera includes a liquid crystal monitor, a body microcomputer, and an image display controller. The body microcomputer has a display manager and a selector. The liquid crystal monitor has a first display region and a second display region and is configured to display images recorded to a recording medium. The display manager is configured to manage as display objects one or more images that have yet to be displayed on the liquid crystal monitor in a specific mode. The selector is configured to select an image from among the display objects as a selected image for display on the liquid crystal monitor. The image display controller is configured to display the selected image in the first display region or the second display region.