Heléne Elisabeth Koch (née Andersson) (born 9 May 1967) is a Swedish professional golfer.

Koch was a member of the winning Swedish team at the European Ladies' Team Championship at Turnberry in 1987, together with Helen Alfredsson, Eva Dahllöf, Pia Nilsson, Sofia Grönberg, Malin Landehag and Margareta Bjurö.

She teamed up with Helen Alfredsson and Eva Dahllöf again for the 1988 Espirito Santo Trophy, held at Drottningholm in Stockholm, where they finished second after the United States, the best Swedish finish to date.

[1] In 1986, Koch won the Finnish International Ladies Amateur Championship, and also the IBM Ladies Open on the Swedish Golf Tour (SGT), while still an amateur.

[1] Koch turned professional in 1989 and joined the Ladies European Tour, where she finished third at the Godiva Ladies European Masters in Belgium, just missing out on the playoff between Kitrina Douglas and Marie-Laure de Lorenzi.