רב אויא

Rav Ovia. [Rav Acha bar Ovia. Rosh HaShanah 2a. Rabbi Chiya bar Ovia. Rav Chalkaia bar Ovia.

And since he is called Rav Ovia the Elder, and sometimes simply Ovia, I am in doubt whether they are one or two individuals]: [Glosses: Ovia, [Menachot (37b) Rav Ovia bar Rav Ovia, it is uncertain, and in Shas HaKadosh Rav Acha]:]