For an actor with a similar name, see Sun Di (actor).
- Name: 孙菂 / Sun Di
- Profession: Actress
- Birthdate: 1986
- Birthplace: Yantai, Shandong, China
- Height: 162cm
- Weight: 44kg
- The Dream of Red Mansions (2009) as Second Sister You
- Zhen Qing Ren Sheng Fan Pu Zhi Ai 真情人生——反哺之爱 (2007)
- Education: The Central Academy of Drama
- Skills: Singing and recitation
- She originally tried out for the role of Xue Bao Chai in The Dream of Red Mansions.