Edwin Thomas Thacker (24 July 1913 – 4 August 1974) was a South African athlete who competed in the 1936 Summer Olympics.

In 1936 he finished twelfth in the Olympic high jump event.

At the 1934 Empire Games he won the gold medal high jump competition.

Four years later at the 1938 Empire Games he won the gold medal in the high jump contest again.

This biographical article relating to South African athletics is a stub.