Pliny Wilson Williamson (September 24, 1876 – October 21, 1958) was an American lawyer and politician from New York.
He was born on September 24, 1876, in Russellville, Brown County, Ohio, the son of Albert M. Williamson and Emma (Salisbury) Williamson.
[1][better source needed] He graduated from Steele High School in Dayton, Ohio; from Oberlin College; and from Columbia Law School in 1903.
In 1904, he married Jane Louise Humes (died 1941), and they had two children.
He died on October 21, 1958, at his home in Scarsdale, New York.