Henry Keep (July 19, 1872 – December 1965) was an American football coach.
He served as the first head football coach at Michigan Agricultural College, now known as Michigan State University, from 1897 to 1898, compiling a record of 8–5–1.
He served as the school's football and track coach while also attending the college as an engineering student.
Keep was a student at the University of Michigan during the 1893–94 academic year before transferring to Michigan Agricultural.
As of 1901, he was working for the George Fuller & Co.
in New York.
Keep and his wife, Esther Maude Durgin had a daughter, Margaret in 1914 in Bellefonte, Pennsylvania.
He also later worked for the Carnegie Steel Company in Pittsburgh.