Formal:
* Алиса (Alisa): This is the most common and closest sounding Russian name to Alyssa. It is a popular name in Russia and has a similar sound and feel.
Informal:
* Аля (Alya): This is a common diminutive form of "Алиса" (Alisa) and is more informal and friendly. It's a popular nickname for people named "Alisa."
Other options:
* Алисса (Alissa): This is a less common but possible transliteration of "Alyssa" in Russian.
* Элисса (Elissa): This is another possible transliteration, but less common than "Alisa."
The best option will depend on the context and your preference.