The short answer in most cases is no. There is functionality in TLS to support negotiation of multiple certificates but it is not widely adopted. You can use multiple SSL certificates in one IP address if you use a different port for each one.

From what I've read this might still take off though, it depends on browser take-up.

Or simply use different ports.

The SNI extension to the SSL protocol will be what you will need, if you are running Apache this will help http://wiki.apache.org/httpd/NameBasedSSLVHostsWithSNI

If I remember correctly SNI is still fairly new so not all browsers will support it.

Looks like with the magic of TLS it is possible http://serverfault.com/qu ...