Estera is a feminine give name, a form of Esther.
Notable people with the name include:
Estera or Esterka, mistress of Casimir III the Great Estera Dobre, amateur Romanian wrestler Suzi Estera Pancenkov or Suzi P, Swedish pop and hip hop singer Estera Sheps, birth name of Esther Wertheimer (1926–2016), Canadian sculptor and educator