I sometimes make deviled ham salad. Using it for sandwiches will make it disappear in a hurry.
You could also make pea soup with ham, and load up with the ham.
Omelets can be good, but they don't usually use as much as you would probably like them to.
Sausage and diced ham gravy...
And this may sound strange, but I will dice ham, fry it until it's almost crunchy, and then sprinkle a little thinned sweet and sour sauce or just soy sauce over it and serve. I make that as a snack several times a year - but I can be weird!