Henry Lynde "Harry" Palmer (October 18, 1819 – May 6, 1909) was an American lawyer and Democratic politician.

Palmer became President of Wisconsin Mutual Life Insurance Company in 1874.

After his passing, Henry L. Palmer #301 Lodge, founded in 1911, was named in his honor.

Palmer was very active in the Scottish Rite in the Valley of Milwaukee Scottish Rite building located in downtown Milwaukee next to Northwestern Mutual Life Insurance Company.

Most significantly, he was elected as the leader of the Northern Masonic Jurisdiction, serving as Sovereign Grand Commander from 1879 to 1909.