collective noun for kittens

Collective noun for kittens: bunch

A group of kittens is called a litter.
The collective noun for kittens is litter.
Kindle, and wrack are the other collective nouns for kittens.

Collective nouns for kittens with usage

SUBJECT	COLLECTIVE NOUN	USAGE EXAMPLE
kittens	litter	A litter of kittens ('litter' refers to a group of young cats/young dogs/young rabbits/young pigs etc. born at the same time to the same mother)
kittens	kindle	A kindle of kittens ('kindle' refers to a litter of cute babies like kittens, rabbits etc.)
kittens	wrack	A wrack of kittens (young rabbits)