| Margaret Bisbrown | |
| Full Name: | Lettice Margaret Everton Bisbrown |
| Nationality: | British |
| Birth Date: | 8 June 1919 |
| Birth Place: | Runcorn, England |
| Death Place: | Melbourne, Florida, U.S. |
| Country: | Great Britain |
| Sport: | Diving |
Lettice Margaret Everton Bisbrown (8 June 1919 - 20 October 2009) was a British diver. She competed in the women's 10 metre platform event at the 1948 Summer Olympics.[1]
Bisbrown received a fine in November 1937 after being found guilty of driving "without due care and attention" which resulted in a crash. On 20 September 1941, Bisbrown, then described as the "champion woman diver of the North", married Arthur Day at Brook Road Methodist Chapel.