Anastasie Fătu (originally Năstase Fêtu or Fĕtu, also known as Anastasius Fétul, Anastasie Fĕtul or Anastase Fătul; January 2, 1816 – March 15, 1886) was a Moldavian and Romanian physician, naturalist, philanthropist and political figure, a titular member of the Romanian Academy and founder of Iași's Botanical Garden.