| Country | |
|---|---|
| Born | 18 January 1964 Sheffield, England |
| Retired | Yes |
| Plays | Right Handed |
| Women's singles | |
| Highest ranking | No. 6 (July 1988) |
| Updated on May 2018. | |
Rebecca Best (born 18 January 1964), also known as Rebecca O'Callaghan, is an English-born former professional squash player. [1] She was born in Sheffield, but represented Ireland. [2] She reached a career-high world ranking of 6 in July 1988. [3]