Answer :

Zach1
Many Many Many!

But the there are the basic 8 cloud types (Check Picture in the Answer for more details ;)  )
The highest clouds in the atmosphere are cirrocumulus, cirrus, and cirrostratus. Cumulonimbus clouds can also grow to be very high.Mid-level clouds include altocumulus and altostratus.The lowest clouds in the atmosphere are stratus, cumulus, and stratocumulus.
View image Zach1
nerdclass123
the are at lease 10 major cloud types 

in addition to:
Cirrus 
Stratus 
Cumulus 
Nimbus 
Cirrostratus  
Cirrocumulus 
Altostratus 
Altocumulus 
Stratocumulus
Nimbostratus 
Cumulonimbus 

i think thats 11 clouds but OKay :D 
hoped this helped