| 1984 LPGA Championship | |
| Dates: | May 31 – June 3, 1984 |
| Location: | Mason, Ohio |
| Course: | Jack Nicklaus Golf Center Grizzly Course |
| Tour: | LPGA Tour |
| Par: | 72 |
| Format: | Stroke play - 72 holes |
| Cut: | 151 (+7) [1] |
| Purse: | $250,000 |
| Winners Share: | $37,500 |
| Champion: |  Patty Sheehan |
| Score: | 272 (−16) |
| Previous: | 1983 |
| Next: | 1985 |
The 1984 LPGA Championship was the 30th LPGA Championship, played May 31 to June 3 at Jack Nicklaus Golf Center at Kings Island in Mason, Ohio, a suburb northeast of Cincinnati.
Defending champion Patty Sheehan shot 131 (−13) on the weekend to win the second of her three LPGA Championships, ten strokes ahead of runners-up Pat Bradley and
Sunday, June 3, 1984
| Place | Player | Score | To par | Money ($) | |||
|---|---|---|---|---|---|---|---|
| 1 | Patty Sheehan | 71-70-63-68=272 | −16 | 37,500 | |||
| align=center rowspan=2 | T2 | 71-72-70-69=282 | align=center rowspan=2 | −6 | align=center rowspan=2 | 19,375 | |
| 71-73-70-68=282 | |||||||
| 4 | 74-71-68-70=283 | −5 | 13,750 | ||||
| 5 | 72-72-71-69=284 | −4 | 11,250 | ||||
| 6 | 72-72-70-72=286 | −2 | 9,375 | ||||
| align=center rowspan=5 | T7 | 75-71-72-69=287 | align=center rowspan=5 | −1 | align=center rowspan=5 | 5,811 | |
| 72-67-76-72=287 | |||||||
| 72-71-74-70=287 | |||||||
| 73-69-74-71=287 | |||||||
| 73-69-75-70=287 |