Topp is an English and German surname. Notable people with the surname include:
Alexander Topp (1814–1879), Scottish minister Arthur Topp (1844–1916), English-Australian journalist Bob Topp (1932–2017), American football player Brian Topp (born 1960), Canadian politician and writer Erich Topp (1914–2005), German admiral Gerhard Topp Groppler, Danish athlete Jools Topp (1958–2026), New Zealand/Aotearoa folk singer & comedian Kalman Topp (born 1972), American rabbi and author Karl Topp (1895–1981), German naval officer Laurie Topp (1923–2017), English footballer Lynda Topp (born 1958), New Zealand/Aotearoa folk singer & comedian Samuel Topp (1850–1902), English-Australian lawyer Shayne Topp (born 1991), American actor and comedian Willy Topp (born 1986), Chilean footballer Alide Topp (1844–1935), German pianist