| British Open Squash Championships | |
| Number: | 10 |
| Series: | Women's British Open Championships |
| Location: | London, England |
| Venue: | Queen's Club, West Kensington |
| Prevseason: | 1930 |
| Nextseason: | 1932 |
The 1931 Ladies Open Championships was held at the Queen's Club, West Kensington in London from 19 to 23 January 1931.
Cecily Fenwick won her third title defeating Nancy Cave in the final. A record 44 entries were received for the 1931 Open Championship[1]
| width=250 | Player one | width=280 | Player two | width=120 | Score |
|---|---|---|---|---|---|
| Miss V Wagg | w/o | ||||
| Miss Diana Sloane-Stanley | Mrs Enid Sainsbury | w/o | |||
| Mrs V S Daniell | Mrs Marion Crispe | 9-0 9-2 9-0 | |||
| Mrs Harcourt | 9-0 9-1 9-0 | ||||
| Miss S Knox | Hon Mrs Kathleen Drax | 9-5 9-1 9-6 | |||
| Miss A Dalrymple | Mrs Edith Strawson | 9-3 9-6 9-4 | |||
| Miss H Nitch | 9-0 9-1 9-0 | ||||
| Miss K M Crispe | 9-2 9-4 9-0 | ||||
| Miss J Parker | Miss M Haywood | w/o | |||
| Mrs Hilary Stebbing | Mrs Muriel Cheney | 9-0 9-2 6-9 9-3 | |||
| Miss Sheila Keith-Jones | Mrs J Winser | 9-0 9-2 9-6 | |||
| Miss M Rothschild | Mrs Winifred Livingstone-Learmonth | 9-0 9-6 9-2 |