Elizaveta Nikolaevna "Liza" Ersberg (18 September 1882 - 12 March 1942) was a German-Russian parlormaid who served in the Russian Imperial Household. The daughter of a stoker employed by Emperor Alexander III, she was hired by Empress Maria Feodorovna as a parlormaid at the Alexander Palace in 1898. She used her post to obtain a position at court for her friend Anna Demidova, who became a lady-in-waiting to Empress Alexandra Feodorovna.