German field hockey player

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

External links

• Martina Koch-Hallmen at Olympedia
• Martina Koch-Hallmen at Olympics.com
• Martina Koch at the International Olympic Committee