Dietrich Albrecht - American soccer player
Dietrich Bonhoeffer - German pastor and martyr
Dietrich Fischer-Dieskau, German baritone singer
Dietrich Eckart, German politician
Dieterich Buxtehude, Danish-German composer and organist.
Dietrich von Hildebrand, German Catholic philosopher and theologian Wilhelm Dietrich von Buddenbrock, Prussian field marshal and cavalry leader
Gordon Deitrich, character in film "V for Vendetta"
Diedrich Knickerbocker, the fictional 'author' of WashingtonIrving's History of NewYork (1809)
Diedrich Hoffendahl, revolutionary in The Princess Casamassima (1866) by HenryJames
Dietrich Mannheim, character on TV's "Psych"