Swimming at the 2014 Summer Youth Olympics – Girls' 100 metre backstroke

The girls' 100 metre backstroke event in swimming at the 2014 Summer Youth Olympics took place on 17–18 August at the Nanjing Olympic Sports Centre in Nanjing, China.

Heats
The heats were held at 10:42.

Semifinals
The semifinals were held at 18:30.

Swim-off
The swim-off was held at 00:09.

Final
The final was held at 19:06.