Butler Gilbert Noble (September 27, 1815October 25, 1890) was an American customs agent and Republican politician. He served as the 7th lieutenant governor of Wisconsin, serving during the second term of governor Alexander Randall (1860–1862). He also served one term in the Wisconsin State Assembly, representing Walworth County. After his term as lieutenant governor, he moved to New York City and was employed in a series of political patronage jobs in the harbor and customs house.
He was born in Geneva, New York. He moved to Wisconsin in 1850. He soon joined the Republican Party. He served as a member of the Wisconsin State Assembly, from Whitewater, Wisconsin, in 1858, and was elected lieutenant governor at the end of the next year, a position in which he served from 1860 until 1862. In 1864, he moved to New York City, where he held jobs first as a weigher in the customs house, then as a harbor master, then as chief clerk in the seizure room. He died in 1890, from a stroke, in Brooklyn.