Adeline Beth Zachert (November 15, 1876 – August 11, 1965) was a Russian-born American librarian, educator, and clubwoman.

Zachert was based in Rochester, New York, for much of her career, but also worked in Kentucky, Pennsylvania, and the U. S. Virgin Islands.

[14] She was head of children's services beginning in 1912, and worked to establish classroom libraries in the city's public schools, playgrounds, hospitals, and factories.

[2] Her niece and namesake, Adeline Zachert Barber, was a writer and educator, and worked for the American Red Cross in Japan in the 1950s.

[27] Another niece, Virginia Zachert, was a psychologist with the United States Air Force and at the Medical College of Georgia.