Diah Permatasari (born 25 January 1971) is an Indonesian actress and model. She became popular with the public after starring in the film Si Manis Jembatan Ancol.
She began her career as a model, and was a finalist in Wajah Femina in 1989. She has starred in films such as Barang Titipan, Salah Pencet, Bebas Aturan Main, Si Manis Jembatan Ancol, Saya Duluan Dong, and Malam Suro di Rumah Darmo. In 2014, she played Cenayang in the horror film Malam Suro di Rumah Darmo. On television, she has appeared in soap operas such as Bidadari, Panji Manusia , Mutiara Cinta, Dewi Fortuna, Iman, Taubat, Upik Abu dan Laura, Seruni, Arti Sahabat, Anugerah, Binar Bening Berlian, Saudara Oesman, Karunia, Akibat Pernikahan Dini, and others.
She married Anton Wahyu Jatmiko on 5 April 1997. They have two sons.