Appell is a surname. Notable people with the surname include:
Dave Appell (1922–2014), American arranger, producer, and musician Olga Appell (born 1963), Mexican-American long-distance runner Paul Émile Appell or M. P. Appell (1855–1930), French mathematician and rector of the University of Paris Appell polynomials, a polynomial sequence named after Paul Appell Appell's equation of motion, an alternative formulation of classical mechanics
See also Apel (disambiguation) Appel (disambiguation) Apple Apple (disambiguation)