Henry Horton Miller (January 10, 1861 – September 4, 1916) was a Canadian politician.

Born in Owen Sound, Canada West, Miller was educated at the public and high schools of Owen Sound.

A real estate agent by occupation, Miller was elected to the House of Commons of Canada for the Ontario electoral district of Grey South in the 1904 federal election.

[1] A Liberal, he was re-elected in the 1908 election but was defeated in the 1911 election.

This article about a Liberal Party of Canada Member of the Parliament of Canada is a stub.