Mary Hannah Krout (November 3, 1851 – May 31, 1927) was an American journalist, author, and advocate for women's suffrage.

[3] She soon began her speaking career, addressing a Lafayette audience on women's suffrage.

Finally I obtained a position as society reporter on the Chicago Inter-Ocean.

"[6] For 10 years Krout was on the staff of the Chicago Inter-Ocean, serving as its staff correspondent in Hawaii during the revolution in 1893, and furnishing special data subsequently for the United States Department of State.

Her younger sister Caroline Virginia Krout was also a noted author.