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)