| O`Brien, BA, Claudia | SPÖ | 78 | 139 Innen–West
|
| Obaro, Mag. Nima | LINKS | 48 | 24 Donaustadt
7 Floridsdorf
25 Ottakring
|
| Oberlechner, MA, Michael | FPÖ | 41 | 109 Ottakring
|
| Obermaier, Dipl.-Ing. Barbara | GRÜNE | 69 | 108 Ottakring
|
| Obrecht, Mag. Sascha | SPÖ | 180 | 170 Favoriten
|
| Oettl, Florian | HC | 0 | 0 Floridsdorf
|
| Ofner, BA, Felix | ÖVP | 12 | 29 Rudolfsheim-
Fünfhaus
|
| Ohrhallinger, PhD, Stefan | LINKS | 25 | 24 Leopoldstadt
|
| Olischar, BSc, Dipl.-Ing. Elisabeth | ÖVP | 856 | |
| Onzek, MBL, Mag. Stefan | SPÖ | 15 | 13 Döbling
|
| Oppitz, Michaela | ÖVP | 3 | |
| Oppl, BA, Daniela | ÖVP | | 4 Ottakring
|
| Orgler, Dipl.-Ing. Wolfgang | GRÜNE | 32 | 71 Donaustadt
|
| Orhan, Fatih | SÖZ | 15 | 3 Penzing
5 Währing
|
| Ornig, MBA, Markus | NEOS | 379 | 233 Innen–West
116 Landstraße
86 Hietzing
|
| Ortner, Sylvia | HC | 0 | |
| Osond, Bernhard | HC | 1 | 0 Favoriten
2 Simmering
|
| Osterbauer, Patrick | ÖVP | 16 | 38 Penzing
|
| Österreicher, Ing. Markus | NEOS | 52 | 69 Zentrum
|
| Otero Garcia, Huem | GRÜNE | 463 | 155 Ottakring
203 Hernals
65 Währing
|
| Otonicar, Mag. Dr. Anita | ÖVP | 17 | 28 Leopoldstadt
|
| Ott, MA BA, Elena | ÖVP | 20 | |
| Ottmann, Ing. Mag. Walter | ÖVP | | 13 Hietzing
|
| Oxonitsch, Christian | SPÖ | 275 | 384 Ottakring
|
| Özalp, MA BA, Avni | NEOS | 68 | 23 Brigittenau
|
| Özayli, Günay | LINKS | 41 | 31 Innen–West
|
| Özer-Genc, Neriman | SÖZ | | 2 Simmering
1 Meidling
|
| Öztas, Ömer | GRÜNE | 503 | 39 Liesing
26 Döbling
67 Brigittenau
|
| Öztoplu, Bülent | SPÖ | 30 | 40 Innen–West
|
| Öztürk, Sabine | ÖVP | 7 | |
|
