Martin Aigner (28 February 1942 – 11 October 2023) was an Austrian mathematician and professor at Freie Universität Berlin from 1974 with interests in combinatorial mathematics and graph theory.

[1][2] Martin Aigner was born on 28 February 1942.

[3] Aigner died on 11 October 2023, at the age of 81.

[4] Aigner was a recipient of a 1996 Lester R. Ford Award from the Mathematical Association of America for his expository article Turán's Graph Theorem.

[5] In 2018, Aigner received the Leroy P. Steele Prize for Mathematical Exposition (jointly with Günter M.