| Mark Ertel | |
| Position: | Forward / center |
| Height Ft: | 6 |
| Height In: | 4 |
| Weight Lb: | 196 |
| Birth Date: | 26 February 1919 |
| Birth Place: | Tipton, Indiana |
| Death Place: | Indianapolis, Indiana |
| Nationality: | American |
| High School: | Tipton (Tipton, Indiana) |
| College: | Notre Dame (1937–1940) |
| Years1: | 1941–1942 |
| Team1: | Indianapolis Kautskys |
Mark Anthony Ertel (February 26, 1919 – March 1, 2010) was an American professional basketball player.[1] [2] He played in the National Basketball League for the Indianapolis Kautskys during the 1941–42 season and averaged 3.3 points per game.[1] [3] He also fought in World War II and spent his corporate career as a lifelong employee of Perfect Circle, a U.S. manufacturer of piston rings (the company is now part of Mahle GmbH).[2]