Annie Morrill Smith (February 13, 1856 – November 11, 1946) was an American botanist and bryologist from Brooklyn.

She was educated at Packer Collegiate Institute,[3] and in 1880 married Hugh Montgomery Smith.

[4] When she was young, Annie Morrill Smith had studied botany abroad, and became interested in bryophytes and lichens.

She was acquainted with Elizabeth Gertrude Britton and Abel Joel Grout, cofounders of the Sullivant Moss Society.

Following the unexpected death of her husband in 1897,[4] Smith became associate editor of The Bryologist, a journal published by the Sullivant Moss Society.