Here are the names (country) and dates of those who have won the Tour de France at least three times:

Jacques Anquetil (France) 1957, 1961, 1962, 1963, 1964

Eddy Merckx (Belgium) 1969, 1970, 1971, 1972, 1974

Bernard Hinault (France) 1978, 1979, 1981, 1982, 1985

Miguel Indurain (Spain) 1991, 1992, 1993, 1994, 1995

Philippe Thys (Belgium) 1913, 1914, 1920

Louison Bobet (France) 1953, 1954, 1955

Greg LeMond (USA) 1986, 1989, 1990

Chris Froome (Great Britain) 2013, 2015, 2016

More Info: en.wikipedia.org