Milton Howard Pettit (October 22, 1835 – March 23, 1873) was an American businessman, Republican politician, and Wisconsin pioneer.

He was the 11th lieutenant governor of Wisconsin, during the governorship of Cadwallader C. Washburn, and died while in office.

[1] He was born in Fabius, New York, in 1835, but moved to Somers, Wisconsin Territory, at the age of 11.

As an adult, in 1854, he moved to the neighboring city of Kenosha, Wisconsin, and became a member of the Republican Party.

Shortly after taking office in 1872, however, his health began to fail, and he died in the spring of 1873.