These manga and webtoons featuring cats or cat-like beings are (or were) licensed in English, either as a physical or digital release.
This is a complete list of every manga and light novel published in English by Del Rey. These are either incomplete or fully published in English. Kodansha took over Del Rey in 2010.
Manga with cats and kittens in it. Also includes wildcats, robo-cats, beings that look like cats, and people who turn into cats.