Played as the Mayflower Classic. Palmer (USA) beat Jan Stephenson (Aus) and Christa "Chris" Johnson (USA) with a birdie at the first playoff hole, to record the last of her 19 LPGA Tour wins. [CC of Indianapolis, Indianapolis, Indiana].

Played as the Boston Five Classic. Second-placed Terri Luckhurst (USA, née Moody) finished 1 shot behind Palmer (USA). [Ferncroft CC, Middleton, nr Boston, MA].

Played as the Whirlpool Championship of Deer Creek. Second-placed Amy Alcott (USA) finished 2 shots behind Palmer (USA). [Deer Creek CC, Deerfield Beach, Florida].

Played as the Women's International. Second-placed Jane Blalock (USA) finished 2 shots behind Palmer (USA). [Moss Creek Plantation, Hilton Head Island, SC; now called Moss Creek GC].

Played as the Kathryn Crosby / Honda Civic Golf Classic. Hollis Stacy finished in second place behind Palmer.

Played as the National Jewish Hospital Open. Second-placed Pat Bradley (USA) finished 2 shots behind Palmer (USA). [Green Gables CC, Denver, Colorado; now permanently closed].

Played as the inaugural Jerry Lewis Muscular Dystrophy Classic. Palmer (USA) beat JoAnne Carner (USA) with a birdie at the third playoff hole. Michelle "Mickey" Walker (Eng) and Mary Lou Crocker (USA) were eliminated at the first playoff hole. [Rail GC, Springfield, Illinois].

Played as the Bloomington Bicentennial Classic. Second-placed Laura Baugh (USA) and JoAnne Carner (USA) finished 1 shot behind Palmer (USA). [Eagle Pointe GR, Bloomington, Indiana; at the time called Lake Monroe at the Pointe GC].

Palmer (USA) won the LPGA Tour 1975 Money List, with earnings of $76,374 on the Tour. JoAnne Carner (USA) was second on the money list.

Played as the Colgate Dinah Shore Winners Circle (4th) (April 17-20). Second-placed Kathy McMullen (USA) finished 1 shot behind Sandra Palmer (USA), who recorded her 10th LPGA Tour win. [Dinah Shore Tournament course, Mission Hills CC, Rancho Mirage, CA].

The US Women's Open (30th) (July 17-20). Second-placed Sandra Post (Can), JoAnne Carner (USA) and 18-year-old Nancy Lopez (USA, amateur) finished 4 shots behind Palmer (USA), who won the second of her two major championship titles. [Atlantic City CC, Northfield, NJ].

Palmer (USA) won the LPGA Tour Player of the Year Award, based on a points system for top 10 finishes and performance in Majors.

Played as the Cubic Corporation Classic. Kathy McMullen finished in second place behind Palmer.

Played as Burdine's Invitational. Palmer (USA) beat Kathy Whitworth (USA) with a birdie at the fifth playoff hole. [Kendale Lakes CC, nr Miami, FL; now called Miccosukee G&CC].

Played as Lady Angelo's LPGA Four-Ball (July 26-28). Defending champions Jane Blalock (USA) & Sandra Palmer (USA) beat Sally Little (RSA) & Jan Ferraris (USA) with a birdie at the first playoff hole. [New Seabury CC, Mashpee, MA; first round played at Oyster Harbors CC, Osterville, MA].

Played as the St Paul Open. Judy Rankin and Jane Blalock finished in second place behind Palmer.

Played as the National Jewish Hospital Open. Second-placed Betty Burfeindt (USA) finished 1 shot behind Palmer (USA). [Green Gables CC, Denver, Colorado; now permanently closed].

Played as the Pompano Beach Classic. Betty Burfeindt finished in second place behind Palmer.

Played as the Cameron Park Open. Susie Berning and Gail Denenberg finished in second place behind Palmer.

Played as the Titleholders Championship (28th) for the first time since 1966, and as it turned out, for the very last time. Second-placed Judy Rankin (USA) and Mickey Wright (USA) finished 10 shots behind Palmer (USA). [Pine Needles Lodge & GC, Southern Pines, NC].

Played as Angelo's LPGA Four-Ball (July 14-16). Second-placed teams of Gloria Ehret (USA) & Sandra Haynie (USA), Peggy Wilson (USA) & Kathy Ahern (USA) and Jo Ann Prentice (USA) & Beth Stone (USA) finished 8 shots behind Jane Blalock (USA) & Sandra Palmer (USA). 54-hole event reduced to 36 holes due to bad weather. [New Seabury CC, Mashpee, MA].

Played as the Sealy LPGA Classic. Donna Caponi finished in second place behind Palmer.

Played as the Heritage Open. Second-placed Chako Higuchi (Jpn) finished 1 shot behind Palmer (USA), who recorded her second LPGA Tour win. [Heritage Village CC, Southbury, Connecticut].