Nicholas B. Nemmers (March 15, 1852 – February 3, 1923) was a teacher, merchant, public official and legislator from La Motte, Iowa.

He taught school in Jackson County until 1882, when he became a merchant in La Motte, which remained his primary occupation until his death.

On July 5, 1876, he married Elizabeth Manders of St. Donatus; they would have eleven children together.

[1] Nemmers served many years as postmaster of La Motte and also held the office of mayor, councilman, school director, tax assessor, etc.

In 1889, he was elected as a Democratic member of the Iowa House of Representatives; he was re-elected in 1891.