WThe 1955 Canada Cup took place June 9–12 at the Columbia Country Club in Chevy Chase, Maryland, a suburb northwest of Washington, D.C., United States. It was the third Canada Cup event, which became the World Cup in 1967. The tournament was a 72-hole stroke play team event with 25 teams; the same teams that had contested the 1954 event. Each team consisted of two players from a country. The combined score of each team determined the team results. The American team of Ed Furgol and Chick Harbert won by nine strokes over the Australian team of Kel Nagle and Peter Thomson. For the first time there was an official competition for the leading individual score. This was won by Ed Furgol, who beat Peter Thomson and Flory Van Donck in a sudden-death playoff.
WThe 1955 Masters Tournament was the 19th Masters Tournament, held April 7–10 at Augusta National Golf Club in Augusta, Georgia. It was the last one before CBS began televising the tournament the following year.
WThe 1955 NCAA Men's Golf Championship was the 17th annual tournament to determine the national champions of NCAA men's collegiate golf. It was contested in June 1955 at the Holston Hills Country Club in Knoxville, Tennessee.
WThe 1955 Open Championship was the 84th Open Championship, played 6–8 July at the Old Course in St Andrews, Scotland. Peter Thomson won the second of three consecutive Open titles, two strokes ahead of runner-up John Fallon. Thomson won a total of five Claret Jugs, the last in 1965.
WThe 1955 PGA Championship was the 37th PGA Championship, held July 20–26 in Michigan at Meadowbrook Country Club in Northville Township, northwest of nearby Detroit. Doug Ford won the match play championship, 4 & 3 over Cary Middlecoff in the Tuesday final; the winner's share was $5,000 and the runner-up earned $3,000. This was the first of two major titles for Ford, who won the Masters in 1957.
WThe 11th Ryder Cup Matches were held November 5–6, 1955 at Thunderbird Country Club in Rancho Mirage, California. The United States team won its seventh consecutive competition by a score of 8 to 4 points.
WThe 1955 U.S. Open was the 55th U.S. Open, held June 16–19 at the Lake Course of the Olympic Club in San Francisco, California. In one of the greatest upsets in golf history, Jack Fleck, a municipal course pro from Iowa, prevailed in an 18-hole playoff to win his only major title and denied Ben Hogan a record fifth U.S. Open.