Here are some options depending on the context:
* Кэти (Kety): This is the most common and straightforward way to say "Katie" in Russian.
* Катя (Katya): This is the Russian name that sounds closest to "Katie". It's a popular Russian name, and you could use it if you want a more natural-sounding Russian version.
* Кэтрин (Ketrin): This is the Russian translation of "Catherine," which is a similar name to "Katie."
Ultimately, the best way to say "Katie" in Russian will depend on the situation and your preference.