Anastasya Narwastu Tety Handuran
- Name: Anastasya Narwastu Tety Handuran
- Nickname: Tasya
- Birthdate: June 16, 2000
- Birthplace: Jakarta, Indonesia
- Blood Type: B
- Height: 167cm
- Bands / Groups:
JKT48 Song Participation
- Ai no Iro (Under)
- She joined JKT48 as a 6th generation member on April 8, 2018, and was placed into Academy Class B on April 15th.
- She was promoted to Academy Class A on June 10, 2018.