Sidney Schwartz was a tennis player from the United States who competed in the mid-20th century. He reached the quarterfinals of the U.S. National Championships in 1950, losing to Dick Savitt. Schwartz also won the Eastern Clay Court Championships in 1962 and reached the final of the US National Indoor Championships in 1948, losing to Bill Talbert.
|Full name||Sidney Schwartz|
|Country (sports)||United States|
|Grand Slam Singles results|
|French Open||3R (1955)|
|US Open||QF (1950)|
|Grand Slam Doubles results|
|Grand Slam Mixed Doubles results|