John Webster FRCOG (born 4 July 1936) is an English obstetrician and gynaecologist.

From 1974 to 1980, he was a specialist in obstetrics and gynaecology and infertility as registrar / consultant to Mr Patrick Steptoe at Oldham General Hospital.

It was during this time that Webster was involved with early pioneering research into in vitro fertilization with Patrick Steptoe and Bob Edwards.

[1] Webster was present at the birth of Louise Brown (world's first IVF baby, born 25 July 1978) and assisted Patrick Steptoe with the delivery.

[2] In 1980, Webster was invited by Steptoe and Edwards to establish with them the world's first IVF clinic at Bourn Hall.