Geoffrey Seddon Walker (21 July 1952 – 18 October 1997) was a New Zealand canoeist who competed at the 1980 Summer Olympics.
[1] He partnered Alan Thompson in the K2 500 metres and K-2 1000 metres events, reaching the semi-finals of the former and finishing eighth in the final of the latter.
[2] He first represented New Zealand in swimming, but narrowly missed selection for the 1970 Commonwealth Games in Edinburgh.
[citation needed] He branched into kayaking, was selected for the team for the 1980 Moscow Olympics.
He won the New Zealand ironman championship four times, and in 1988 won three golds at the national championships in surf ski, surf ski rescue and double surf ski.