Henry Crecy Yarrow (November 19, 1840 – 1929) was an American ornithologist, herpetologist, naturalist, and surgeon.
Born in Philadelphia, Pennsylvania, studied in Pennsylvania and Geneva, Switzerland; earned his M.D. in 1861. From 1861 to 1862, he was the Asst. Surgeon, 5th PA Cavalry. Served in Virginia, then appointed Acting Asst. Surgeon. Worked as the executive officer of the Broad and Cherry Street Hospital of Philadelphia. In 1866 he was appointed Acting Assistant Surgeon. Ordered to Atlanta, Georgia. Served through a severe cholera epidemic.