Joseph Weeks Babcock (March 6, 1850 – April 27, 1909) was a seven-term Republican member of the United States House of Representatives from Wisconsin.

[1] He grew up in Butler County, Iowa, where he started his lumber career working at his father's lumberyard.

They resided for many years in Necedah, Wisconsin, where Babcock was in the lumber business.

In 1893, he helped organize the Republican Congressional Campaign Committee; he was credited with helping achieve Republican successes in the 1894 House elections, and was chairman of the committee for the next ten years.

[1] He continued to live in Washington, D.C., where in 1909 he died at the age of 59 after suffering for several weeks from liver and kidney problems.