Ann Jemima Allebach (May 8, 1874 – April 27, 1918) was an American minister, educator and suffragette.
She was the first woman ordained as a Mennonite minister in North America, on January 15, 1911.
There was not another Mennonite woman ordained until 1973.Allebach was the first woman ever chosen from Kings County, New York, to be a delegate to a national political convention.
She was chosen for the 1912 Republican National Convention held in Chicago but was not allowed to attend.
She was a delegate from the Eighteenth Assembly District of the State Convention of the Progressive Party at Syracuse.