The following players are the youngest, male or female, to win a major championship in golf.
- Young Tom Morris - 17 years, 5 months, 8 days (1868 Open Championship)
- Lydia Ko - 18 years, 4 months, 20 days (2015 Evian Championship)
- Brooke Henderson - 18 years, 9 months, 2 days (2016 KPMG Women's PGA Championship)
- Morgan Pressel - 18 years, 10 months, 9 days (2007 Kraft Nabisco Championship)
- Yani Tseng - 19 years, 4 months, 6 days (2008 McDonald's LPGA Championship)
- Johnny McDermott - 19 years, 10 months, 14 days (1911 U.S. Open)
- Inbee Park - 19 years, 11 months, 17 days (2008 U.S. Women's Open)
- Sandra Post - 20 years, 19 days (1968 LPGA Championship)
- Ji-yai Shin - 20 years, 3 months, 6 days (2008 Women's British Open)
- Se Ri Pak - 20 years, 7 months, 19 days (1998 McDonald's LPGA Championship)
- Se Ri Pak - 20 years, 9 months, 7 days (1998 U.S. Women's Open)
- Tiger Woods - 21 years, 3 months, 14 days (1997 Masters)
- Seve Ballesteros - 22 years, 3 months, 12 days (1979 Open Championship)
Youngest winners of each major championship in men's and women's golf
PGA Tour
- Masters -- 21 years, 3 months, 14 days, Tiger Woods, 1997
- U.S. Open -- 19 years, 10 months, 14 days, Johnny McDermott, 1911
- The Open Championship -- Modern: 22 years, 3 months, 12 days, Seve Ballesteros, 1979; All-time: 17 years, 5 months, 8 days, Tom Morris, Jr., 1868
- PGA Championship -- 20 years, 5 months, 22 days, Gene Sarazen, 1922
LPGA Tour
- Kraft Nabisco Championship -- 18 years, 10 months, 9 days, Morgan Pressel, 2007
- KPMG Women's PGA Championship -- 18 years, 9 months, 2 days, Brooke Henderson, 2016
- U.S. Women's Open -- 19 years, 11 months, 17 days, Inbee Park, 2008
- Ricoh Women's British Open -- 20 years, 3 months, 6 days, Ji-yai Shin, 2008
- Evian Championship -- 18 years, 4 months, 20 days, Lydia Ko, 2015