| Margaret Callender | |
| Birth Date: | 25 June 1939 |
| Birth Place: | Thurrock, England |
Margaret Jean Callender (married name Margaret Whitbread, born 1939) is a former athlete who competed for England.
She represented England in the javelin at the 1958 British Empire and Commonwealth Games in Cardiff, Wales.[1] [2]
She married John Whitbread in 1959. In 1975 the couple adopted Fatima Whitbread and Margaret coached her at javelin.