* Приятно познакомиться (Priyatno poznakomitsya) - This is the most common and formal way to say "nice to meet you".
* Рад/Рада познакомиться (Rad/Rada poznakomitsya) - This translates to "I'm glad/happy to meet you" and is a more informal way to say it. You would use "Rad" if you are male and "Rada" if you are female.
* Приятно с вами познакомиться (Priyatno s vami poznakomitsya) - This literally means "Nice to meet you" and is a more formal and polite way to say it.
You can also use other phrases depending on the context:
* Очень приятно (Ochen' priyatno) - This means "Very nice to meet you."
* Приятно было с вами познакомиться (Priyatno bylo s vami poznakomitsya) - This translates to "It was nice to meet you" and can be used when you are leaving a meeting.
The best way to choose which phrase to use is to consider the formality of the situation and your relationship with the person you are speaking to.