Harry John Arndt (February 12, 1879 – March 25, 1921) was a Major League Baseball (MLB) second baseman. He was born on February 12, 1879, in South Bend, Indiana. He played four seasons, with the Detroit Tigers, Baltimore Orioles, and St. Louis Cardinals. Arndt played in 271 games with 244 hits in 985 at bats. He had a .248 average with six home runs and 99 runs batted in. Arndt died on March 25, 1921, in his home town of South Bend.
Harry Arndt
| Given name: | Harry John Arndt |
| Nicknames: | None |
| Primary Pos: | Secondbase |
| Hght/Wght: | Unknown / 165 lbs |
| Bats/Throws: | R / R |
| Born: | Feb 12, 1879 in South Bend, IN |
| Died: | Mar 25, 1921 in South Bend, IN (42 years old) |
| Debut: | Jul 2, 1902 |