Do kittens need to drink water? - Oakdale Veterinary Group

They do. Every animal needs access to water. You could offer them kitten replacement milk when they're small, but they should also have access to water at all times.

Do kittens need to drink water? - Advanced Animal Care

Yes, and I would always recommend making sure that you have a fresh, clean bowl of water available at all times of the day.

Do kittens need to drink water? - Animal Hospital of Statesville

Yes. While kittens are nursing, they're going to need less because they're getting their fluid and hydration through nursing or by being bottle-fed. But then, when they're on solid food, they'll need that for sure.