Don Lincoln, born in 1964, is an American physicist, author, and science communicator. He holds a Ph.D. in experimental particle physics from Rice University, earned in 1994. Currently, he serves as a Senior Scientist at Fermi National Accelerator Laboratory (Fermilab), where he conducts research in particle physics. He was also an adjunct professor of physics at the University of Notre Dame.

Lincoln's research contributions include being a co-discoverer of the top quark in 1995.