Henry Martin Arens (November 21, 1873 – October 6, 1963) was a politician who served in many offices in Minnesota, including the U.S. House of Representatives.

Arens was born as Heinrich Martin Arens in Bausenrode near Fretter in the Kingdom of Prussia, today part of the municipality of Finnentrop, Westphalia, Germany.

He migrated to the United States in November 1889 and was a farmer near Jordan, Minnesota.

In 1930, he was elected the 26th Lieutenant Governor of Minnesota and served one two-year term.

He was defeated for re-election in 1934 by Elmer Ryan, after which he commented that he was convinced "that politics is not worthwhile and that never again will I ask favors of the electorate.