There are four types of cloud as below:

1.public

2. Private

3.Iaas

4.Pass

And below is the link which you can refer for more details .

https://www.chargebee.com/blog/understanding-types-cloud-computing/

There are 4 types of Cloud in cloud computing.

1. Public.

2. Private.

3. Hybrid.

4. Community.

Public cloud is available for the general public and anyone can use it.

Private cloud is owned by an organization.

Hybrid cloud is mixture of the above two.

Community cloud is owned by group of organisations with same goal or interest.