What is a pronoun for cats?

The pronoun that takes the place of the noun 'cat' is it.
If the gender of the cat is known, the pronouns he or sheare used as the subject of a sentence or a clause; and him or her are used as the object of a verb or a preposition.

Examples:

That cat has a beautiful coat. I wonder what kind it is.

My cat is named Zeus. He is a rescue from the shelter.

The cat is a stray. We can find a good home for her.