The women's singles table tennis event was a part of the table tennis programme at the 2012 Summer Olympics in London.

The event took place from Saturday 28 July to Wednesday 1 August 2012 at ExCeL London.

Seeds were based on the ITTF World Ranking lists published in July 2012.

[1][2][5] The top 16 seeded players qualified directly to the third round.

The players ranked from 17 to 32 qualified directly to the second round.