2005 in golf
 Men's professional golf
- 7–10 April: Masters Tournament - Tiger Woods defeated fellow American Chris DiMarco at the first playoff hole to claim his 4th Masters title, and his 9th major. He temporarily returned to No. 1 in the Official World Golf Rankings.
- 16–19 June: U.S. Open - Michael Campbell came from behind in the fourth round to win his first major with an even par score. He was the first New Zealander to win a major since Bob Charles won the British Open in 1963. Retief Goosen led after three rounds, but fell away badly on Sunday and tied for eleventh. Tiger Woods had a good final round to claim second place, but talk of his winning a Grand Slam was ended for another year.
- 14–17 July: The Open Championship - Tiger Woods led wire-to-wire at the historic Old Course at St Andrews and won his second Open Championship, and 10th major, by 5 strokes. Scottish favorite Colin Montgomerie closed within a shot at one point on Sunday and finished on his own in second, his best ever result at The Open Championship. The Golden Bear, Jack Nicklaus, had a historic farewell as he retired from professional golf on Friday, July 15, after missing the cut. Woods became only the second golfer, after Jack Nicklaus, to win each major more than once.
- 11–15 August: PGA Championship - Phil Mickelson won his second major championship, taking the PGA at Baltusrol Golf Club by scoring a -4 276. Thomas Bjørn and Steve Elkington both tied for second with -3. The tournament had to be completed on Monday due to bad weather: this was the first time that a Monday finish occurred at the PGA since 1986.
World Golf Championships (individual events)
- 23–27 February: WGC-Accenture Match Play Championship - David Toms defeated fellow American Chris DiMarco 6&5 in the final.
- 18–21 August: WGC-NEC Invitational - Tiger Woods defeated Chris DiMarco by one stroke to win the tournament for the fourth time in his career.
- 6–9 October: WGC-American Express Championship - Tiger Woods beat John Daly in a playoff. It was his fourth win in the six stagings of this tournament.
Other leading PGA Tour events
- 24–27 March: The Players Championship - American Fred Funk picked up the biggest win of his career at the age of 48.
- 3–6 November: The Tour Championship - Bart Bryant, a 42-year-old who had come good in 2004 and 2005 after a difficult career, won by six strokes.
For a full list of PGA Tour results, see 2005 PGA Tour.
Other leading European Tour events
- 26–29 May: BMW Championship - Argentina's Ángel Cabrera picked up the most prestigious title of his career.
- 15–18 September: HSBC World Match Play Championship - Reigning U.S. Open champion Michael Campbell beat Paul McGinley to claim the richest prize in golf.
- 27–30 October: Volvo Masters - Paul McGinley of the Republic of Ireland won the tournament, and Colin Montgomerie finished ahead of Michael Campbell to top the 2005 European Tour Order or Merit.
For a full list of European Tour results, see 2005 European Tour
Tour money list / order of merit winners:
- PGA Tour - Tiger Woods topped the money list for the sixth time, with earnings of $10,628,024. Full list
- European Tour - Colin Montgomerie topped the Order of Merit for a record eighth time with earnings of €2,794,222.84. Full list
- Japan Golf Tour - Shingo Katayama topped the money list for the second consecutive year, winning 134,075,280 Yen. Full list
- Asian Tour - Thailand's Thaworn Wiratchant topped the order of merit with US$510,122, the first time a player had won over $500,000 in a season on the Asian Tour. Full list
- PGA Tour of Australasia - Adam Scott topped the money list with earnings of A$545,429
- Sunshine Tour - Charl Schwartzel of South Africa topped the 2004/05 order of merit with earnings of 1,635,850.44 South African Rand (full list). Schwartzel also topped the 2005/06 order of merit with earnings of 1,207,459.70 Rand.
- PGA Tour
- Player of the Year/Jack Nicklaus Trophy - Tiger Woods won for the seventh time in his nine full seasons on Tour
- Money winner/Arnold Palmer Award - Tiger Woods won for the sixth time
- Vardon Trophy - Tiger Woods won for the sixth time with an adjusted scoring average of 68.66
- Byron Nelson Award - Tiger Woods won for the sixth time with an adjusted scoring average of 68.66
- Rookie of the year - Sean O'Hair won the John Deere Classic in his first full season on Tour
- Comeback Player of the Year - Olin Browne won the Deutsche Bank Championship and qualified for the Tour Championship for the first time
- Champions Tour
- Nationwide Tour
- Player of the Year - Jason Gore won three consecutive starts and was promoted to the PGA Tour
- European Tour
- 22–25 September: Seve Trophy - After conceding an early lead Great Britain & Ireland pulled level before the singles, and then dominated the singles matches to win 16½ to 11½ and retain the Trophy.
- 22–25 September: Presidents Cup - The match was all square going into the singles, but the USA pulled away to win 18½ to 15½.
- 17–20 November: WGC-World Cup - Third round leaders Wales, represented by Stephen Dodd and Bradley Dredge, were declared the winners after the final round was called off due to bad weather.
- 26 February: Former British Open champion Max Faulkner died.
- 6 March: Tiger Woods won the Ford Championship at Doral and returned to Number 1 in the Official World Golf Rankings, displacing Vijay Singh.
- 20 March: Vijay Singh's tied second place finish at the Bay Hill Invitational restored him to Number 1 after just two weeks.
- 10 April: Tiger Woods became World Number 1 again after winning The Masters.
- 13 May: Tiger Woods' record breaking run of 142 consecutive cuts made on the PGA Tour came to an end at the EDS Byron Nelson Championship.
- 22 May: Vijay Singh started his third spell as World Number 1, reclaiming the position from Woods even though neither man played that weekend.
- 13 June: Tiger Woods and Vijay Singh exchanged places at World Number 1 for the last time, with Woods opening a substantial gap in the rankings by early July.
- 2 July: Tiger Woods became the first man to pass $50 million in career earnings on the PGA Tour.
- 4 December: Colin Montgomerie won the Hong Kong Open and became the first man to win 20 million Euros on the European Tour.
 Women's professional golf
- 24–27 March: Kraft Nabisco Championship - Annika Sörenstam won by eight shots, claiming her eighth major title, and equalling Nancy Lopez's 27-year-old record of winning five consecutive LPGA starts.
- 9–12 June: LPGA Championship - Annika Sörenstam cruised to a three shot win to claim her second major of the year and ninth of her career. Fifteen-year-old Michelle Wie was runner-up.
- 23–26 June: U.S. Women's Open - South Korean Birdie Kim holes a 30-yard sand shot on the 72nd hole, punctuating her two-shot win over teenage amateurs Morgan Pressel and Brittany Lang. Kim, who scored her first LPGA tournament win, finished the event at 3-over-par 284. Sörenstam was never a factor, finishing nine shots back. Wie was in a three-way tie for the lead after three rounds, but ballooned to an 82 and finished tied with Sörenstam. Lorena Ochoa was at 3-over after 71 holes, but hit her tee shot into the water on the final hole and shot a quadruple-bogey 8.
- 28–31 July: Weetabix Women's British Open - Another South Korean who had no previous LPGA tournament wins, Jeong Jang, cruises to a four-stroke win over Sophie Gustafson. Wie finished in a tie for third in her last tournament of the year before returning to high school.
Ladies European Tour major (in addition to the Women's British Open)
- 20–23 July: Evian Masters - Paula Creamer, an 18-year-old rookie pro on the LPGA tour, waltzed to an eight-stroke win over Wie and Ochoa.
Additional LPGA Tour event
- 30 June - 3 July: HSBC Women's World Match Play Championship - little known Colombian Marisa Baena beat Meena Lee of South Korea by one hole in the inaugural staging of this event.
Money list winners
- LPGA Tour - Annika Sörenstam topped the money list for the eighth time with earnings of $2,588,240. She won ten tournaments. final money list
- Ladies European Tour - Iben Tinning topped the money list with earnings of €204,672.62
- 11–13 February: Women's World Cup of Golf - Japan, represented by Ai Miyazato and Rui Kitada, won the inaugural staging of this event.
- 9–11 September: Solheim Cup - The USA overcame an early deficit to beat Europe 15.5-12.5 and reclaim the cup.
- 26 February: 15 year old Michelle Wie achieves her career best finish on the LPGA Tour, placing tied 2nd at the SBS Open at Turtle Bay.
- 22 May: 18 year old Paula Creamer became the youngest first time winner on the LPGA Tour since 1952 at the Sybase Classic presented by Lincoln Mercury.
- 5 October: Michelle Wie turned pro six days before her sixteenth birthday.
- 6 November: Annika Sörenstam becomes first professional golfer to win same tournament five-straight times at Mizuno Classic.
 Senior men's professional golf
- 26–29 May: Senior PGA Championship - Mike Reid won a three man playoff to claim his first Champions Tour title.
- 7–10 July: Senior Players Championship - Peter Jacobsen won his second Champions Tour event and his second senior major.
- 21–24 July: Senior British Open - Tom Watson won his second Senior British Open and his fourth senior major.
- 28–31 July: U.S. Senior Open - Allen Doyle won his third senior major. Doyle, who started the final round nine shots out of the lead, shot a final-round 63, a course record which tied for the lowest round ever in the U.S. Senior Open, and saw the leaders come back to him. Doyle would win by one stroke. His final-round comeback is unprecedented in the history of the senior majors; in the mainstream majors, only Paul Lawrie's comeback from 10 shots down on the final day of the 1999 Open Championship surpasses this feat.
- 25–28 August: The Tradition - Loren Roberts defeated Dana Quigley on the second playoff hole to win his first senior major.
For a complete list of Champions Tour results see 2005 Champions Tour.
Money list winners
- Champions Tour - Dana Quigley topped the money list for the first time with earnings of $2,170,258. Full list
- European Seniors Tour - Sam Torrance topped the Order of Merit with earnings of €277,420.76.Full list
 Amateur golf
- 30 May–4 June: The Amateur Championship - Ireland's Brian McElhinney beat Scotland's John Gallagher 5 & 4 in the final.
- 1–4 June: NCAA Division I Men's Golf Championships - The University of Georgia took the team title and James Lepp of the University of Washington won the individual title.
- 11–16 July: U.S. Amateur Public Links- Clay Ogden of West Point, Utah won 1 up over Martin Ureta of Chile. In the quarterfinals, Ogden defeated 15-year-old Michelle Wie, who had become the first woman ever to qualify for a men's USGA championship.
- 1–7 August: U.S. Women's Amateur - 17-year-old Morgan Pressel of the United States defeated Maru Martinez from Venezuela and a senior at Auburn University, 9 & 8 in the final match to win the championship.
- 13–14 August: Walker Cup - The United States won for the first time since 1997. Great Britain and Ireland needed to win the 18th hole of the last match on the course to tie that match and the Cup, and thus retain the trophy, but did not do so.
- 24–28 August: U.S. Amateur - Edoardo Molinari became the first Italian to win the tournament.
 Tables of results
This table summarises all the results referred to above in date order.
 Men's tours' official sites
- PGA Tour and portal to Champions and Nationwide Tours
- European Tour and portal to European Senior and Challenge Tours
- Japan Golf Tour (English version)
- Asian Tour
- PGA Tour of Australasia
- Sunshine Tour
 Women's tours' official sites
- Official World Golf Rankings - updated each Monday
- Women's World Rankings - updated each Monday
- World Amateur Golf Rankings
 Golf news sites