Yes, you can register a domain name without a website. In fact, many people register domain names for future use or to protect their brand name. Registering a domain name without a website allows you to secure the domain name you want before someone else does. Once you have registered the domain name, you can point it to a website later or use it for email or other online services. Many domain providers offer domain registration services, and it is a straightforward process that can be completed quickly and easily.