Literally anything can be monogrammed. But that being said there are some things, in my humble opinion, that should not be monogrammed. Items such as boots and shoes, certain jewelry, certain clothing items, cars and yourself. Do not monogram yourself. Just don't. I also do not think that obnoxious monograms |read: wearing a million monograms at the same time| or large monograms, like the ones on the sweatshirts. I am not a fan of them but if you are then you go girl.
Here are a few things that I have monogrammed.