| Roles | Competed in Olympic Games | 
|---|---|
| Sex | Female | 
| Full name | Nataliya Viktorivna•Tobias (Sydorenko-) | 
| Used name | Nataliya•Tobias | 
| Original name | Наталія Вікторівна•Тобіас (Сидоренко-) | 
| Born | 22 November 1980 in Serov, Sverdlovsk (RUS) | 
| Measurements | 160 cm / 48 kg | 
| Affiliations | Dynamo Donetsk, Donetsk (UKR) | 
| NOC |   Ukraine | 
| Medals | OG | 
| Gold | 0 | 
| Silver | 0 | 
| Bronze | 1 | 
| Total | 1 | 
Personal Best: 1500 – 4:01.78 (2008).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2004 Summer Olympics | Athletics |  UKR | 
Nataliya Tobias | |||
| 1,500 metres, Women (Olympic) | 6 h1 r2/3 | |||||
| 2008 Summer Olympics | Athletics |  UKR | 
Nataliya Tobias | |||
| 1,500 metres, Women (Olympic) | 3 | Bronze |