Played as the Los Angeles Open (Jan 5-8). Second-placed Jerry Barber (USA) finished 3 shots behind Mangrum (USA), who won his fourth Los Angeles Open title in eight years, and the last of his 36 PGA Tour titles. [Rancho Park GC, Los Angeles, CA].

Played as the Western Open (June 3-6). Lloyd Mangrum (USA) beat Ted Kroll (USA) with an eight-foot putt for a birdie-three at the first playoff hole. Mangrum won this event for the second time in three years. [Kenwood CC, Cincinnati, Ohio].

Played as the Phoenix Open (Jan 23-26). Second-placed Bo Wininger (USA), Johnny Bulla (USA) and Ted Kroll (USA) finished 6 shots behind defending champion Mangrum (USA). Monday finish required. [Phoenix CC, Phoenix, AZ].

Played as the Los Angeles Open (Jan 2-5). Second-placed Jack Burke Jr (USA) finished 5 shots behind Mangrum (USA), who recorded the third of his four wins in this event. [Riviera CC, Pacific Palisades, Los Angeles, CA].

Played as the Bing Crosby Pro-Am Invitational (Jan 9-11; 54-hole event). Second-placed Julius Boros (USA) finished 4 shots behind Mangrum (USA). [Pebble Beach Links, Monterey Peninsula, CA. Earlier rounds also at: Cypress Point Club and Monterey Peninsula CC].

Mangrum (USA) won the PGA of America Vardon Trophy, recording the season's lowest scoring average on the PGA Tour.

Played as the All American Open (Jul 30-Aug 2; aka the Tam O'Shanter). Second-placed Ted Kroll (USA) and defending champion Sam Snead (USA) finished 3 shots behind Lloyd Mangrum (USA). [Tam O'Shanter CC, Niles, nr Chicago, IL; now the municipal Tam O'Shanter Golf Course].

Played as the Philippine Open (in Dec 1951). Won by Mangrum (USA). [East course, Wack Wack G&CC, Manila, Philippines].

Played as the Western Open (May 29-June 1). Second-placed Bobby Locke (RSA) finished 8 shots behind Lloyd Mangrum (USA), who shot a course record 6-under-par 64 in the final round. [Westwood CC, St Louis, Missouri].

Played as the Phoenix Open (Jan 24-27). Second-placed Dutch Harrison (USA) finished 5 shots behind Mangrum (USA). [Phoenix CC, Phoenix, AZ].

Mangrum (USA) was the PGA Tour 1951 leading money winner, with season earnings of $26,088 on the Tour.

Played as the Los Angeles Open (Jan 5-8). Second-placed Henry Ransom (USA) finished 1 shot behind Mangrum (USA). [Riviera CC, Pacific Palisades, Los Angeles, CA].

Played as the Wilmington Azalea Open.

Played as the Tucson Open (Feb 1-4). Second-placed Jack Burke Jr (USA), Lew Worsham (USA) and Jim Turnesa (USA) finished 2 shots behind Lloyd Mangrum (USA), who won this event for the second time in three years. [El Rio G&CC, Tucson, AZ. Now known as El Rio GC].

Played as the St Paul Open.

Mangrum (USA) won the PGA of America Vardon Trophy, recording the season's lowest scoring average on the PGA Tour.

Played as the Palm Beach Round Robin.

Played as the Eastern Open (Aug 17-20). Second-placed Clayton Heafner (USA) finished 2 shots behind Lloyd Mangrum (USA). [Mt Pleasant Municipal GC, Baltimore, MD].

Played as the Kansas City Open (Sept 20-23). Second-placed Ed "Porky" Oliver (USA) and Jack Burke Jr (USA) finished 1 shot behind Mangrum (USA). [Milburn G&CC, nr Kansas City, KS].

Played as the Motor City Open (July 1-4; next played in 1952). Second-placed Sam Snead (USA) finished 1 shot behind defending champion Lloyd Mangrum (USA). [Red Run GC, Royal Oak, nr Detroit, Mich].

Played as the Fort Wayne Open.

Played as the Tucson Open (Feb 3-6). Second-placed Al Smith (USA) finished 5 shots behind Lloyd Mangrum (USA). [El Rio G&CC, Tucson, AZ. Now known as El Rio GC]. Note: After losing a Monday playoff in the Phoenix Open, Ben Hogan and his wife Valerie decided to skip this event, and drive home to Fort Worth on February 2. On their way home they were involved in a serious road accident. Hogan never again played in the Tucson Open.

Played as the Los Angeles Open (Jan 7-10). Second-placed E. J. "Dutch" Harrison (USA) finished 3 shots behind Mangrum (USA). [Riviera CC, Pacific Palisades, Los Angeles, CA].

Played as the All American Open (Aug 5-9; aka the Tam O'Shanter). Second-placed Sam Snead (USA) finished 1 shot behind defending champion Lloyd Mangrum (USA). [Tam O'Shanter CC, Niles, nr Chicago, IL; now the municipal Tam O'Shanter Golf Course].

Played as the Motor City Open (June 16-19). Cary Middlecoff (USA) and Lloyd Mangrum (USA) were declared co-winners as darkness began to fall. A sudden-death playoff lasting 11 holes had failed to separate them. As at 2023, this remains the longest sudden-death playoff in PGA Tour history. [Meadowbrook CC, Northville, nr Detroit, Mich.].

Played as the Bing Crosby Pro-Am (Jan 9-11; 54-hole event). Second-placed Stan Leonard (Can) finished 5 shots behind Mangrum (USA). [Pebble Beach Links, Monterey Peninsula, CA. Earlier rounds also at: Cypress Point Club and Monterey Peninsula CC].

Played as the Columbus Open (July 8-11). Second-placed George Schoux (USA) finished 1 shot behind Mangrum (USA). [Wyandot CC, Worthington, Columbus, Ohio. Course closed in 1952].

Played as the All American Open (Aug 3-6; aka the Tam O'Shanter). Second-placed and defending champion Bobby Locke (S Africa) finished 2 shots behind Lloyd Mangrum (USA). [Tam O'Shanter CC, Niles, nr Chicago, IL; now the municipal Tam O'Shanter Golf Course].

Played as the inaugural Lower Rio Grande Valley Open (Feb 12-16). Lloyd Mangrum (USA) beat Jimmy Demaret (USA) in an 18-hole Monday playoff (Mangrum 6-under-par 65, Demaret 69). [Harlingen GC, Harlingen, TX; now called Tony Butler GC].

Played as the Greater Greensboro Open (March 18-21). Second-placed Lew Worsham (USA) finished 1 shot behind Mangrum (USA). [Sedgefield CC, Greensboro, NC].

Played as the World Championship of Golf (Aug 7-9; PGA Tour 36-hole winner-take-all exhibition event). Lloyd Mangrum (USA) beat Sam Snead (USA) and E.J. "Dutch" Harrison (USA) in an 18-hole Monday playoff (Mangrum 70, Snead 71, Harrison 73). [Tam O'Shanter CC, Niles, nr Chicago, IL; now the municipal Tam O'Shanter Golf Course].

Played as the Utah Open Invitational.

Played as the inaugural Albuquerque Open (Sept 11-14). Second-placed Jimmy Demaret (USA) finished 3 shots behind Lloyd Mangrum (USA). [North course, Univ of New Mexico, Albuquerque. At the time called the University GC; now only 9-holes].

Played as the National Capital Open (June 5-8; last played in 1934). Second-placed Skip Alexander (USA) and Ed "Porky" Oliver (USA) finished 3 shots behind Mangrum (USA). [Prince George's CC, Landover, Maryland. Course closed and is now the Kentland Golf Training Center].

Played as the Argentine Open (Abierto de la Republica/Argentina). Lloyd Mangrum (USA) beat Vic Ghezzi (USA) in a playoff. [Jockey Club, Buenos Aires].

The US Open (46th) (Jun 13-16). Mangrum (USA) narrowly beat Byron Nelson (USA) and Vic Ghezzie (USA) in the second of two 18-hole playoffs. First playoff: all three players scored 72 (E). Second playoff: Mangrum 72 (E), Nelson and Ghezzi 73 (+1). [Canterbury GC, Beachwood, Ohio].

Played as the Inverness Four-Ball.

Played as the New Orleans Open (Feb 20-22). Second-placed Lawson Little (USA) and Sam Snead (USA) finished 1 shot behind Lloyd Mangrum (USA). [Bayou Oaks at City Park, New Orleans, LA. Played on what was known as City Park's No.1 (East) course; now part of the South course).

Played as the Seminole Victory Golf Tournament.

Played as the Greater Atlantic City Open (Sept 12-14). Second-placed Vic Ghezzi (USA) and Ben Hogan (USA) finished 6 shots behind Lloyd Mangrum (USA). [Atlantic City CC, Northfield, New Jersey].

Played as the Thomasville Open (March 10/11). Second-placed Byron Nelson (USA) finished 2 shots behind 25-year-old Lloyd Mangrum (USA), who recorded the first of his 36 PGA Tour wins. [Glen Arven CC, Thomasville, Georgia].