Donald M. Davis (born 7 May 1945) is an American mathematician specializing in algebraic topology.

from MIT in 1967 and a PhD in mathematics at Stanford in 1972, directed by R. James Milgram.

In 2012 he was named an inaugural Fellow of the American Mathematical Society.

[7] In 1993 Davis started the Lehigh Valley Math Team.

In 2005, 2009, 2010, 2011, and 2024, they were national champions in the American Regions Math League (ARML).