|Date of birth:||May 25, 1896|
|Place of birth:||Gettysburg, Pennsylvania, United States|
|Date of death:||February 17, 1963(aged 66)|
|Place of death:||Harrisburg, Pennsylvania, United States|
|Career highlights and awards|
|Playing stats at|
Harry Oscar Dayhoff (May 25, 1896 - February 17, 1963) was a professional football player from Gettysburg, Pennsylvania. He attended Bucknell University and later made his professional debut in the National Football League with the Frankford Yellow Jackets in 1924. In 1925 he played for the Pottsville Maroons and won the 1925 Championship with the team before the title was stripped from the team due to a disputed rules violation.