Henry Arnold Karo (December 24, 1903 – May 23, 1986) was a vice admiral in the former United States Coast and Geodetic Survey Corps, which is today known as the National Oceanic and Atmospheric Administration Commissioned Officer Corps.
Vice Admiral Karo spent most of his working career in the United States Coast and Geodetic Survey, which provided coastal maps and charts for the United States.
He rose through the organization's bureaucracy to become the director of the Survey.Karo had been involved in the Survey since 1923, but the advent of World War II forced him to take on other duties.
In this period, he rose to the rank of rear admiral.
At war's end, he returned to the Coast and Geodetic Survey.