The 2003 Women's British Open was held 31 July to 3 August at Royal Lytham & St Annes Golf Club in Lancashire, England.

It was the 27th edition of the Women's British Open, and the third as a major championship on the LPGA Tour.

Annika Sörenstam won the sixth of her ten major titles, one stroke ahead of runner-up Se-Ri Pak, the 2001 champion.

The victory completed the career grand slam for Sörenstam.

[2] Source:[1] Thursday, 31 July 2003 Friday, 1 August 2003 Amateurs: Serramià (+3), Keighley (+5), Brewerton (+6) Saturday, 2 August 2003 Sunday, 3 August 2003 Amateur: Serramià (+6)