| Nataliya Trefilova | |
| Fullname: | Nataliya Trefilova |
| Nationality: | Russian |
| Strokes: | Freestyle |
| Birth Date: | 1 July 1971 |
| Birth Place: | Kirov, Russia |
| Weight: | 66kg (146lb) |
Natalia Trefilova (also Nataliya), born 1 July 1971, is a former freestyle swimmer from the Soviet Union.[1]
Natalia competed at the 1988 Summer Olympic Games in Seoul, Korea, in the 100, 200, 400, & 800 metre freestyles, & the 4 x 100 metre freestyle relay.
Her effort in the 100 metre freestyle saw her finish first in the B Final in a time of 56.48 seconds.
In the 200 metre freestyle, Natalia achieved her best individual result of the meet, finishing fifth in the Championship Final in 1 minute 59.24 seconds.