George Gunter Lorentz (February 25, 1910 – January 1, 2006) was a Russian-American mathematician.
His father, Rudolf Fedorovich Lorentz, was a German railway engineer and his mother Milena Nikolayevna Chegodayev came from the Russian nobility.
The family survived the revolutionary turmoil and civil war near Sochi and then moved to Tbilisi, where he began studying at the Technical University in 1926.
At that time he published several works, also on the topic of his dissertation, Bernstein polynomials.
His son Rudolph Lorentz is Professor of Mathematics at Texas A & M University.