Yes, it is possible to host multiple domains or websites on a single hosting account. Many hosting providers offer plans that allow you to host multiple domains or websites under a single account.

There are generally two approaches to hosting multiple domains or websites on a single hosting account:

1. Add-on Domains: Some hosting providers allow you to add multiple domains to your hosting account as add-on domains. This means you can host multiple websites, each with its own domain, under a single hosting account. Each website will have its own directory on the server, and you can manage them separately.
2. Subdomains: Another approach is to create subdomains for your main domain. A subdomain is a subset of your main domain, and you can create multiple subdomains and host different websites under each subdomain. For example, if your main domain is example.com, you can create subdomains like site1.example.com, site2.example.com, and so on, and host different websites under each subdomain.

The specific steps to set up multiple domains or websites on a single hosting account can vary depending on your hosting provider and the control panel they use (such as cPanel, Plesk, or custom control panels). You may need to consult your hosting provider’s documentation or support resources for detailed instructions on how to add domains or create subdomains.

It’s worth noting that while hosting multiple domains or websites on a single hosting account is possible, the performance and resource allocation for each website may be shared. If you expect high traffic or resource-intensive websites, you may need to consider more advanced hosting options like virtual private servers (VPS) or dedicated servers to ensure optimal performance for each website.