Swimming at the 2013 SEA Games – Women's 100 metre backstroke

The Women's 100 metre backstroke event at the 2013 SEA Games took place on 14 December 2013 at Wunna Theikdi Aquatics Centre.

There were 10 competitors from 6 countries who took part in this event.

Two heats were held.

The heat in which a swimmer competed did not formally matter for advancement, as the swimmers with the top eight times from both field qualified for the finals.

All times are Myanmar Standard Time (UTC+06:30) [1] Prior to this competition, the existing world, Asian, and Southeast Asian Games records were as follows.