John Allison (August 5, 1812 – March 23, 1878) was an American politician, most notably serving in the U.S. House as a Representative of Pennsylvania during the 1850s.

[1] Allison was born in Beaver, Pennsylvania and grew up to study law.

[1] After retiring from the House, he was active in the politics of the nascent Republican Party; he served as a delegate to their 1856 convention, where he nominated Abraham Lincoln for Vice President.

[1] On April 3, 1869, Allison was appointed Register of the U.S. Treasury, a post he held until his death.

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