William Anthony Welke (born August 22, 1967) is an American former Major League Baseball umpire.

He joined the major league staff in 1999 and worked the World Series in 2015.

[2] He graduated from Western Michigan University in 1990 with a bachelor's degree in business administration.

He was a part of the crew that worked in the 2003 Major League Baseball All-Star Game.

This biographical article relating to an American baseball umpire is a stub.