Stegmann is a German surname. Notable people with the surname include:
Boris K. Stegmann (1898–1975), Russian ornithologist Carl David Stegmann (1751–1826), German tenor Matthias von Stegmann (born 1968), German voice-over artist and operatic stage director Miep Stegmann (1927-1985), Belgian psychologist Niklas Stegmann (born 1987), German footballer Povl Stegmann (1888–1944), Danish architect Seb Stegmann (born 1989), English rugby player Wilhelm Stegmann (1899-1944), German politician Leonard Stegmann (born 1953), American humor writer