| Event: | Women's freestyle 51 kg |
| Championship: | 2013 World Championships |
| Dates: | 18 September 2013 |
| Venue: | László Papp Budapest Sports Arena |
| Competitors: | 23 |
| Nations: | 23 |
| Gold: | Sun Yanan |
| Gold Nation: | CHN |
| Silver: | Erdenechimegiin Sumiyaa |
| Silver Nation: | MGL |
| Bronze: | So Sim-hyang |
| Bronze Nation: | PRK |
| Bronze2: | Jessica MacDonald |
| Bronze2 Nation: | CAN |
| Prev: | 2012 |
| Next: | 2014 |
See main article: 2013 World Wrestling Championships.
The women's freestyle 51 kilograms is a competition featured at the 2013 World Wrestling Championships, and was held at the László Papp Budapest Sports Arena in Budapest, Hungary on 18 September 2013.
This freestyle wrestling competition consisted of a single-elimination tournament, with a repechage used to determine the winners of two bronze medals.