| Ralph Isselhardt | |
| Number: | 15 |
| Position: | Guard |
| Birth Date: | 13 January 1910 |
| Birth Place: | Hillsboro, Illinois, U.S. |
| Death Place: | Grand Rapids, Michigan, U.S. |
| Height Ft: | 6 |
| Height In: | 1 |
| Weight Lbs: | 205 |
| High School: | Marion (IN) |
| College: | Franklin (IN) |
| Pastteams: | |
| Statlabel1: | Games played |
| Statvalue1: | 9 |
| Statlabel2: | Starts |
| Statvalue2: | 0 |
| Pfr: | I/IsseRa20 |
Ralph L. "Izzy" Isselhardt (January 13, 1910 – October 24, 1972) was an American football player who played in the National Football League (NFL) for the Detroit Lions and Cleveland Rams.[1] He played college football at Franklin College and was inducted into that school's Hall of Fame in 1975.
He first enrolled at Hillsboro High School in Hillsboro, Illinois before transferring to Marion High School in Marion, Indiana.[2]
Isselhardt played for the Franklin Grizzlies. He was a co-captain of the team during his 1935 senior season.[3]
He graduated with a degree from Franklin College in June 1936.
Isselhardt signed a contract to play with the Lions for the 1936 season early in March of that year.[4] Training camp was expected to open during the first half of August.
Known as "Izzy" to his teammates,[5] Isselhardt played in one game for the Detroit Lions in 1936, before being assigned to a minor league farm club for additional experience.[6]
Isselhardt signed with the Cleveland Rams for the 1937 season and saw action in eight games for the team.[7]
Isselhardt died October 24, 1972, at Grand Rapids, Michigan.
He was inducted into the Franklin College Athletic Hall of Fame in 1975.[8]