Trotha is a German surname. Notable people with the surname include:
Adolf von Trotha (1868–1940), German admiral Hans von Trotha (c. 1450 – 1503), German knight and marshal Klaus von Trotha (1938–2025), German politician Lothar von Trotha (1848–1920), German military commander
See also Caroline Y. Robertson-von Trotha (born 1951), Scottish-German sociologist and cultural scientist, wife of Klaus von Trotha Halle-Trotha station, a railway station in Halle (Saale), Germany Von Trotha–Firestien Farm, a historic farm in Colorado, United States Trotta (disambiguation)