The 1966 Titleholders Championship was the 27th Titleholders Championship, held November 24–27 at Augusta Country Club in Augusta, Georgia.

Reigning champion Kathy Whitworth successfully defended her title and won the second of her six major titles, two strokes ahead of runners-up Judy Kimball and Mary Mills.

It was Whitworth's 28th victory on the LPGA Tour and ninth of the 1966 season.

Mills was the 54-hole leader at 217 (+1), with Whitworth and Kimball a stroke back.

This was the last time the championship was held in Augusta; it took a hiatus and resumed six years later for one time only in 1972 in North Carolina.

Final leaderboard Sunday, November 27, 1966 Place Player Score To par Money ($)1 Kathy Whitworth74-70-74-73=291+31,500T2 Judy Kimball73-72-73-75=293+51,100 Mary Mills73-71-73-76=2934 Judy Rankin75-76-70-73=294+68005 Betsy Rawls77-73-72-74=296+86756 Marilynn Smith75-78-74-70=297+95607 Marlene Hagge74-72-78-74=298+104808 Shirley Englehorn74-74-74-77=299+114209 Sandra Spuzich75-77-75-74=301+1337010 Peggy Wilson77-79-75-72=303+15330 Source:

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