Akiba Souken has asked 4,884 anime fans the question: What yuri anime series is your most favorite? And from thousands of fans here are the results:
20/19 (tie)) Akuma no Riddle and DokiDoki! PreCure
18) Battle Athletes
17) Madlax
16) Mikagura School Suite
15) Revolutionary Girl Utena
14) Noir
13) Aria The Scarlet Ammo AA
12) El Cazador de la Bruja
11) Inugami-san to Nekoyama-san
10) Simoun
9) Valkyrie Drive: Mermaid
8) Yuri Kuma Arashi
7) Kannazuki no Miko
6) Aoi Hana
5) Strawberry Panic
4) Maria-sama ga Miteru
3) Pandora in the Crimson Shell: Ghost Urn
2) Sakura Trick
1) Yuru Yuri
