| Event: | Women's lightweight |
| Championship: | 2011 World Championships |
| Dates: | 3–4 May 2011 |
| Venue: | Gyeongju Indoor Stadium |
| Competitors: | 53 |
| Nations: | 53 |
| Gold: | Rangsiya Nisaisom |
| Gold Nation: | THA |
| Silver: | Marina Sumić |
| Silver Nation: | CRO |
| Bronze: | Karine Sergerie |
| Bronze Nation: | CAN |
| Bronze2: | Dürdane Altunel |
| Bronze2 Nation: | TUR |
| Prev: | 2009 |
| Next: | 2013 |
See main article: 2011 World Taekwondo Championships.
The Women's lightweight is a competition featured at the 2011 World Taekwondo Championships, and was held at the Gyeongju Gymnasium in Gyeongju, South Korea on May 3 and May 4. Lightweights were limited to a maximum of 62 kilograms in body mass.