Philip Deidesheimer was a mining engineer in the Western United States.
Deidesheimer was born in 1832, in Darmstadt, Electorate of Hesse before German unification. He attended the prestigious Freiberg University of Mining (Technische Universität Bergakademie Freiberg) and emigrated to California in 1852. He died on 21 July 1916 in San Francisco, California.