There are many different Harry Potter costumes available. You can even find adult Harry Potter costumes online. If you want to dress up like Hermione Granger or Ron Weasley, there are plenty of options. However, it’s important to remember that children’s Halloween costumes aren’t just for kids anymore. Many adults love dressing up in costume too. In fact, some people wear Harry Potter costumes every day of the year. They might go trick or treating dressed as Dumbledore or Professor Snape. Or maybe they attend conventions wearing their Hogwarts robes. Whatever their reason, adults and kids alike enjoy dressing up as one of the most popular books ever written.