| Nin Alexander | |
| Position: | Catcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | November 24, 1858 |
| Birth Place: | Pana, Illinois |
| Death Place: | Pana, Illinois |
| Debutleague: | MLB |
| Debutdate: | June 7 |
| Debutyear: | 1884 |
| Debutteam: | Kansas City Cowboys |
| Finalleague: | MLB |
| Finaldate: | September 3 |
| Finalyear: | 1884 |
| Finalteam: | St. Louis Browns |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .130 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs scored |
| Stat3value: | 0 |
| Teams: |
|
William Henry "Nin" Alexander (November 4, 1858 – December 22, 1933) was an American major league baseball catcher, center fielder and shortstop.
Alexander was born in Pana, Illinois. He played his first professional game on June 7, 1884, with the Kansas City Unions. He played professionally for the Kansas City Unions and the St. Louis Browns.[1] He played his last professional game on September 3, 1884.[2]
He died on December 22, 1933.