Harry Monroe "Welch" Welchonce (November 20, 1883 – February 26, 1977) was an American Major League Baseball outfielder.
Welchonce played for the Philadelphia Phillies in 1911.
In 26 games, Welchonce had 14 hits in 66 at-bats, with a .212 batting average.
Welchonce was born in North Point, Pennsylvania and died in Arcadia, California.
This biographical article relating to an American baseball outfielder born in the 1880s is a stub.