| Walt Ripley | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 26 November 1916 |
| Birth Place: | Worcester, Massachusetts |
| Death Place: | Attleboro, Massachusetts |
| Debutleague: | MLB |
| Debutdate: | August 17 |
| Debutyear: | 1935 |
| Debutteam: | Boston Red Sox |
| Finalleague: | MLB |
| Finaldate: | September 11 |
| Finalyear: | 1935 |
| Finalteam: | Boston Red Sox |
| Statleague: | MLB |
| Stat1label: | Games played |
| Stat1value: | 2 |
| Stat2label: | Innings pitched |
| Stat2value: | 4 |
| Stat3label: | Earned runs |
| Stat3value: | 4 |
| Teams: | |
Walter Franklin Ripley (November 26, 1916 – October 7, 1990) was a relief pitcher who played in Major League Baseball. Listed at, 168 lb., Ripley batted and threw right-handed.
He was born in Worcester, Massachusetts. His son, Allen Ripley, was also a major league pitcher.
Ripley was 18 years old when he entered the majors in with the Boston Red Sox, to become the youngest major league player during that season. He broke Smoky Joe Wood's Red Sox record for youngest player by 40 days (Ripley was 18 years, 264 days; Wood was 18 years, 304 days.)
In two relief appearances, Ripley allowed four runs and seven hits, giving up three walks without strikeouts in 4.0 innings of work for a 9.00 earned run average. He did not have a decision or saves and never appeared in a major league game again.
Ripley died in Attleboro, Massachusetts, at the age of 73.