|Representing Austrian Empire|
|1908 London||400 m freestyle|
|1906 Athens||400 m freestyle|
|1906 Athens||1 mile|
Otto Scheff, born Otto Sochaczewsky (December 12, 1889 – October 26, 1956) was an Austrian-Jewish freestyle swimmer, water polo player, lawyer, politician, and sports official who competed in the 1906 Intercalated Games, in the 1908 Summer Olympics, and in the 1912 Summer Olympics.
Scheff was born in Berlin. He won a bronze medal in the 400 metre freestyle event. He also competed in the 100 metre freestyle race, but was eliminated in the semifinals. In the 1500 metre freestyle competition he finished fourth in the final.
At the 1906 Intercalated Games in Athens he won the gold medal in the 400 metre freestyle event and a bronze medal in the 1 mile freestyle race. In the 4×250 metre freestyle relay he was part of the Austrian team finishing in sixth place.
Mödling named a street "Dr. Otto Scheff-Weg".