From the Forbes list:

1. Maria Sharapova – tennis, $25 million

2. Caroline Wozniacki – tennis $12.5 million

3. Danica Patrick – Nascar $12 million

4. Venus Williams – tennis $11.5 million

5. Kim Clijsters – tennis $11 million

6. Serena Williams – tennis $10.5 million

7. Kim Yu-na – figure skating $10 million

8. Li Na – tennis $8 million

9. Ana Ivanovic – tennis $6 million

10. Paula Creamer – golf $5.5 million