Harry John Grumpelt (March 2, 1885 – November 3, 1973) was an American high jumper and accountant.[3] He competed at the 1912 Summer Olympics and finished sixth. Grumpelt won the AAU title in 1910 (indoors) and 1911 (outdoors); he placed second outdoors in 1908, 1910 and 1912, and third in 1914.[1] Grumpelt was bursar of the New York Public Library until his 1950 retirement.[4]