Triplett is a surname. Notable people with the surname include:
Bill Triplett (born 1940), American football player Coaker Triplett (1911–1992), American baseball player Constance Triplett, American politician Dave Triplett (born 1950), American football coach Donald Triplett (1933–2023), American man who was the first person diagnosed as autistic Ernie Triplett (1906–1934), American racecar driver Frank Triplett (1885–1967), Australian rules footballer George Washington Triplett (1809–1894), American Confederate politician Irene Triplett (1930–2020), American Civil War pensioner Jaidyn Triplett (born 2010), American actress and singer Kirk Triplett (born 1962), American golfer Mel Triplett (1930–2002), American football player Michael Triplett (1964–2013), American journalist Nate Triplett (born 1987), American football player Norman Triplett (1861–1934), American social psychologist Norman Triplett (baseball) (1892–1918), American baseball player Philip Triplett (1799–1852), American politician Russell Triplett, American college baseball coach Sally Ann Triplett (born 1962), British singer and actress Samuel Triplett (1869–1957), American Medal of Honor recipient Skip Triplett, American CEO of Kwantlen University College in Vancouver Thomas Triplett (1602–1670), British churchman, teacher and Canon at Westminster Abbey Tom Triplett (1935–2006), American politician Wallace Triplett (1926–2018), American football player