Reidun Tatham (born March 20, 1978) is a Canadian retired synchronized swimmer and Olympic medalist.

Reidun Tatham
Medal record
Representing  Canada
Women's synchronized swimming
Olympic Games
Bronze medal – third place 2000 Sydney Team
Pan American Games
Gold medal – first place 1999 Winnipeg Team

Born in Calgary, Alberta, Tatham participated on the Canadian team that received a bronze medal in synchronized team at the 2000 Summer Olympics in Sydney, Australia.

She later changed careers and is currently employed as Senior Natural Gas Trader at Macquarie Energy Canada Ltd. in Calgary, Alberta.

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