Walter William (Walt) Kinney (September 9, 1893 – July 1, 1971) was a pitcher in Major League Baseball who played for the Boston Red Sox (1918) and Philadelphia Athletics (1919–20, 1923).
Kinney batted and threw left-handed.
He was born in Denison, Texas.
In a four-season career, Kinney posted an 11–20 record with 129 strikeouts and a 3.59 earned run average in 290-2/3 innings pitched.
Kinney died in Escondido, California, at the age of 77.