Jonah William "Quiet Joe" Knight (September 28, 1859 – October 16, 1938) was a professional baseball player.

He played two seasons in Major League Baseball for the Philadelphia Quakers (1884) and Cincinnati Reds (1890), primarily as a left fielder.

A native of Port Stanley, Ontario, Knight came up to the big leagues as a pitcher in 1884.

In six starts for the Quakers he won 2, lost 4, and had an earned run average of 5.47 in 51 innings.

His two-season career statistics include 133 games played, a .309 batting average (156-for-505), 4 home runs, 69 RBI, 69 runs scored, an on-base percentage of .362 and a slugging percentage of .422.