1999 LPGA Championship

{{Use mdy dates|date=August 2023}}

{{Infobox individual golf tournament

| name = 1999 LPGA Championship

| image =

| dates = June 24–27, 1999

| location = Wilmington, Delaware

| course = DuPont Country Club

| tour = LPGA Tour

| par = 71

| yardage = {{convert|6376|yd}}{{cite news |url=https://news.google.com/newspapers?id=9lZIAAAAIBAJ&sjid=ux4EAAAAIBAJ&pg=4011%2C6633094 |work=Wilmington Morning Star |location=(North Carolina) |title=LPGA Championship: final scores |date=June 28, 1999 |page=4C}}

| field = 139 players, 71 after cut

| format = Stroke play - 72 holes

| cut = 143 (+1)

| purse = $1.4 million

| winners_share = $210,000

| champion = {{flagicon|USA}} Juli Inkster

| score = 268 (−16)

| previous = 1998

| next = 2000

| map = USA#USA Delaware

| map_label = DuPont CC

| map_caption = Location in United States##Location in Delaware

| map_relief = yes

| coordinates = {{coord|39.789|-75.564}}

}}

The 1999 LPGA Championship was the 45th LPGA Championship, played June 24–27 at DuPont Country Club in Wilmington, Delaware. This was the third of four major championships that took place on the LPGA Tour in 1999.

Three days after turning 39, Juli Inkster shot a final round 65 to win her first LPGA Championship, four strokes ahead of runner-up Liselotte Neumann and completed the career grand slam.{{cite magazine |url=https://www.si.com/vault/1999/07/05/263246/a-slam-bam-finish-with-a-closing-kick-for-the-ages-juli-inkster-completed-a-career-grand-slam-and-closed-in-on-a-bigger-prize |magazine=Sports Illustrated |last=Shipnuck |first=Alan |title=A slam-bam finish |date=July 5, 1999 |page=G5}}{{cite news|url=https://news.google.com/newspapers?id=9lZIAAAAIBAJ&sjid=ux4EAAAAIBAJ&pg=6385%2C6619498 |work=Wilmington Morning Star |location=(North Carolina) |agency=(Washington Post) |last=Shapiro |first=Leonard |title=Inkster wraps up grand run |date=June 28, 1999 |page=1C}}{{cite news|url=https://news.google.com/newspapers?id=TI9XAAAAIBAJ&sjid=MvIDAAAAIBAJ&pg=6534%2C5973443|work=Spokesman-Review |location=(Spokane, Washington) |agency=Associated Press |title=Inkster realizes a Grand dream |date=June 28, 1999 |page=C5}} The fifth of her seven major titles, it was also consecutive major victories; she won her first U.S. Women's Open title three weeks earlier. Inkster successfully defended this LPGA Championship the following year.

The DuPont Country Club hosted this championship for 11 consecutive seasons, from 1994 through 2004.