Denzler is a surname. Notable people with the surname include:
Andy Denzler (born 1965), Swiss artist Cynthia Denzler (born 1983), Colombian/American/Swiss alpine skier Ferdinand Denzler (1909–1991), Swiss water polo player Günther Denzler (born 1948), German politician Robert F. Denzler (1892–1972), Swiss composer and conductor