Matacha Giana Parengkuan (born May 10, 2009) is an Indonesian model and actress. She is the winner of GADIS Sampul 2023. She is the youngest daughter of communications professional, public speaker and writer Erwin Parengkuan and Jana Parengkuan. She is also the sister of actor Giulio Parengkuan and Abielo Parengkuan.