Martina Hallmen
Martina Helga Hallmen (née Koch, born 20 May 1959 in Frankfurt) is a German former field hockey player who competed in the 1984 Summer Olympics and in the 1988 Summer Olympics. References

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1959 births
Living people
German female field hockey players
Olympic field hockey players for West Germany
Olympic silver medalists for West Germany
Olympic medalists in field hockey
Field hockey players at the 1984 Summer Olympics
Field hockey players at the 1988 Summer Olympics
Medalists at the 1984 Summer Olympics
Sportspeople from Frankfurt
20th-century German women