The Women's 100 metres at the 2008 Summer Olympics took place on August 16 (heats) and 17 (final) at the Beijing National Stadium.

[2] Jamaica dominated the event with athlete Shelly-Ann Fraser-Pryce taking the gold and Sherone Simpson and Kerron Stewart taking the silver.

The winner had the sixth fastest reaction time in the final.

Qualification: First 3 in each heat (Q) and the next 10 fastest (q) advance to the quarterfinals.

Qualification rule: First 4 in each heat (Q) advance to the final.