Renz is a German-language surname.
People Andreas Renz (born 1977), German ice hockey player Bettina Renz, German political scientist Ernst Renz (1815–1892), German circus proprietor Martina Ertl-Renz (born 1973), German alpine skier Sigi Renz (1938–2025), German racing cyclist Thomas Maria Renz (born 1957), German theologian Torsten Renz (born 1964), German politician
See also Circus Renz, historical circus in Germany Circus Herman Renz, the largest circus of the Netherlands