Newell Dwight Hillis (September 2, 1858 – February 25, 1929) was a Congregationalist minister, writer, and philosopher from Brooklyn.

Over his lifetime he delivered approximately 3,500 lectures and published several books, largely on religious and patriotic subjects.

Among his writings were Great Books as Life-Teachers: Studies of Character, Real and Ideal (1888),[3] Right Living as a Fine Art (1899),[4] After Sermon Prayers, Lectures and Oration, The Influence of Christ in Modern Life - A study of the New Problems of the Church in American Society (1900),[5] The Quest of John Chapman - The Story of a Forgotten Hero, The Quest of Happiness: A Study of Victories Over Life's Troubles (1902),[6] The Contagion of Character, Studies in Culture and Success (1911),[7] Henry Ward Beecher - A Study of his Live and Influence (1913), Message of David to his Generation (1913), The Blot on the Kaiser's Scutcheon (1918),[8] German Atrocities, Their Nature and Philosophy (1918),[9] The Better America Lectures (1921),[10] and Great men as prophets of a new era (1922).

[12] As a minister in a major metropolis, Hillis railed against immorality, and he told reporters in 1900 that "a common whipping post might be very wholesome for New York today.

[14] As a Vice-President of Race Betterment Foundation Hillis was on the executive committee and spoke on the subject of factory degeneration.