Yes, there are different types of SSL.
Single domain ssl cover one domain,
Multi-domain ssl cover more than 1 domain,
Wildcard SSL cover a domain with subdomains.
In regard to use of ssl,we classify as :
Domain Validated(DV) that requires verifying using domain name
Organization Validated (OV) Require documents to show that the Organization is fully registered
Extended Validation (EV) SSL are high end SSL certificate with GREEN BAR.They show highest level of verification of Organization and takes longer to issue (3-5 days) due to validation process.