From the Avatar wiki, here is my research. Characters were only included if they had a specific name (not just title), a picture, and a specified clan.
There are this many named Na’vi in these clans:
Omatikaya - 37
Tipani - 30
Kame’tire - 30
Aranahe- 21
Zeswa - 19
Tawkami - 16
Anurai- 14
Hulanta- 11
Mangkwan - 9
Sarentu - 8
Ni’awve - 8
Tlalim - 8
Rey’tanu - 7
Metkayina - 6
Olangi - 3
Trr’ong - 3
Tayrangi - 3
Kekunan - 2
Li’ona - 1
That’s 236 named Na’vi.











