| Bill Karlon | |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 21 January 1909 |
| Birth Place: | Palmer, Massachusetts |
| Death Place: | Ware, Massachusetts |
| Debutleague: | MLB |
| Debutdate: | April 28 |
| Debutyear: | 1930 |
| Debutteam: | New York Yankees |
| Finalleague: | MLB |
| Finaldate: | April 28 |
| Finalyear: | 1930 |
| Finalteam: | New York Yankees |
| Statleague: | MLB |
| Stat1label: | Games played |
| Stat1value: | 2 |
| Stat2label: | At bats |
| Stat2value: | 5 |
| Stat3label: | Hits |
| Stat3value: | 0 |
| Teams: | |
William John Karlon (January 21, 1909 – December 7, 1964) was a Major League Baseball outfielder. Nicknamed "Hank", Karlon played for the New York Yankees in . In 2 career games, he had no hits in 5 at-bats. He batted and threw right-handed.
Karlon was born in Palmer, Massachusetts, and died in Ware, Massachusetts. Also known as "The Palmer Kid" and Hank Karlon. Married to Angelina (Mega) Karlon.