| Region: | Western philosophy |
| Era: | 21st-century philosophy |
| Newton Phelps Stallknecht | |
| Birth Date: | October 24, 1906 |
| Birth Place: | East Orange, New Jersey, U.S. |
| School Tradition: | Kantianism |
| Institutions: | Indiana University |
| Thesis Year: | 1930 |
| Alma Mater: | Princeton University |
Newton Phelps Stallknecht (October 24, 1906 – May 23, 1981) was an American philosopher and a professor of comparative literature and philosophy at Indiana University.[1] In addition, he was the Director of the School of Letters at Indiana University from 1953-1972. He also served as a president of the Metaphysical Society of America.[2] Stallknecht was educated at Princeton University, achieving his A.B. in 1927, A.M. in 1928, and Ph.D. in 1930.[1] During World War II, he was attached to the United States Army Security Agency in Washington.[1] His publications cover both philosophy and comparative literature, with a philosophical focus on Immanuel Kant, Henri Bergson, and Alfred North Whitehead.[1]