Peter Cole Knisely (August 11, 1887 – July 1, 1948) was a professional baseball player.

He was an outfielder over parts of four seasons (1912–15) with the Cincinnati Reds and Chicago Cubs.

For his career, he compiled a .235 batting average in 272 at-bats, with 29 runs batted in.

He was born in Waynesburg, Pennsylvania and died in Brownsville, Pennsylvania at the age of 60.

This biographical article relating to an American baseball outfielder born in the 1880s is a stub.