Alfredo Shahanga (born April 14, 1965) is a retired long-distance runner from Tanzania, who won the 1989 edition of the Vienna Marathon. In the same year he triumped at the 16th Berlin Marathon on October 1 in a time of 2:10:11. Shahanga represented his native country in the men's marathon at the 1991 World Championships in Tokyo, Japan.
- All results regarding marathon, unless stated otherwise
|1989||Vienna Marathon||Vienna, Austria||1st||2:10:28|
|Berlin Marathon||Berlin, West Germany||1st||2:10:11|
|1990||Hamburg Marathon||Hamburg, Germany||4th||2:13:17|
|1991||World Championships||Tokyo, Japan||—||DNF|
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