Cloud are basically of 4 different types:-
1. Public Cloud
It is open to everyone, anyone can create account and use it.
Eg:- AWS, GCP, Azure
2. Private Cloud
Can be used by single organization separately.
Infrastructure is cloud aware.
Cost incurred is high
Eg:- Services provided by AWS and Azure can be treated as Private cloud.
3. Hybrid Cloud
When the service you are using comes from different service providers or mixed up with cloud and data centers then it is called Hybrid.
4. Community Cloud
The cloud service managed by some community is treated as Community Cloud.
Image taken from UniPrint.net