There are many different types of disabilities. Sometimes it will be immediately apparent that your client has a disability, and other times they may have what is called an “invisible” or “hidden” disability. These are disabilities that you cannot see just by looking at someone. In fact, you may work with a client and never know that they have a disability diagnosis, so it is important to try to be as accessible as possible in all the work you do. Below is a description of six common types of disabilities: physical, cognitive, mental illness, visual, auditory, and speech Keeping in mind that some may also have multiple types of disabilities.