Ada Adler (1878-1946) was a Danish classical scholar and librarian.
She is best known for her critical, standard edition of Suidas, which she published in 5 volumes (Leipzig, 1928-1938). To Pauly-Wissowa, Realencyclopädie, she contributed several articles.
In 1916 she had published a catalogue of Greek manuscripts in the Royal Library, Copenhagen.
