W. N. Hartshorn

William Newton Hartshorn photographed by Edmund F. Arras William Newton Hartshorn (October 28, 1843 – September 1920) was a Baptist leader from the United States who travelled the world and became a millionaire advocating Sunday school and leading the "Sabbath army". He was born in Greenville, New Hampshire. He lived in Boston. He led a large tour and convention through Palestine and published an account of the journey with Louis Klopsch.

In 1898 and 1899 he was issuing a publication called Household.

He hosted the Clifton Conference series of religious gatherings between 1901 and 1908. After the last conference, he published a book about "progress and promise" among African Americans from the Civil War era to 1910.

Publications W. N. Hartshorn, ed. 1910. Era of Progress and Promise, 1863-1910: The religious, moral, and educational development of the American Negro since his emancipation (The Clifton Conference). Boston: Priscilla Pub. Co. George W. Penniman, associate editor The Cruise of the Eight Hundred to and Through Palestine; Glimpses of Bible Lands, by Hartshorn and Louis Klopsch