How do you write Ryan in Hindi?

There is no direct translation of the name "Ryan" into Hindi. However, you can transliterate it using the Devanagari script:

रायन (Rāyan)

This transliteration uses the closest sounding Hindi letters to the English pronunciation of "Ryan".

It's important to note that this is simply a transliteration and not a true Hindi name. If you are looking for a Hindi name that is similar in meaning or sound to "Ryan", you may need to consider other options.