If you are searching for an answer for the top 20 dog breeds with the biggest appetites or if you have a question about which dog breeds eat the most, then this article can provide answers for you. Here is a list of dog breeds that eat the most food in a table and graph view. In the following, I have listed average food consumption per day and water consumption per day of top 20 dog breeds. This is an easy way to compare dog breeds. But please note that these are average figures and can vary based on individual dogs according to needs and activity levels. (Graphs are created via Matplotlib.)