Jeanne de la Montagnie Lozier (c. 1841 – August 6, 1915) was an American physician and educator from New York City.

[1][2] Jeanne "Jennie" de la Montagnie was born in New York in 1841[3] or circa 1850 [1] and was a lifelong resident of that city.

Born and raised in the old seventh ward of New York, she received an extensive, liberal education, which included languages and science.

Returning to New York in 1872, she married widower Abraham Witton Lozier, the father of two children and the only son of her lifelong friend Clemence S.

She presented a paper in French on the medical education of women in the United States, which was printed in full in the subsequent congressional transactions.

[5] Lozier's family, consisting of her husband, two sons, and one daughter, spent their summers on Great South Bay, Long Island, in a villa named "Windhurst."

[5] Jennie de la Montagnie Lozier died at her summer home in New Brighton, Staten Island, on August 6, 1915.