William C. Vandenberg Sr. (October 3, 1884 – June 9, 1971) was the 49th lieutenant governor of Michigan.

Vandenberg graduated Holland High School in 1904, and then started to attend Voorheis' Business College in Indianapolis, Indiana.

[1] Vandenberg founded the Vandenburg Oil Company and oversaw its function from 1919 until it closed in 1946.

In 1952, Vandenberg was a failed candidate in the Republican primary for the 1952 Michigan gubernatorial election.

[3] Vandenberg died of a heart attack on June 9, 1971, in Holland, Michigan.