Christian Keller (born August 3, 1972 in Essen, North Rhine-Westphalia). is a former medley and freestyleswimmer from Germany, who competed in four consecutive Summer Olympics for his native country, starting in 1992. Four years later the three-time European Junior Champion won the bronze medal with the men's 4×200 m freestyle relay. Keller was named German Swimmer of the Year for two consecutive years: 1994 and 1995.
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