| Ralph O'Brien | |
| Height Ft: | 5 |
| Height In: | 9 |
| Weight Lb: | 160 |
| Birth Date: | 8 April 1928 |
| Birth Place: | Henshaw, Kentucky |
| Death Place: | Clearwater Beach, Florida |
| Nationality: | American |
| High School: | George Washington (Indianapolis, Indiana) |
| College: | Butler (1946–1950) |
| Draft Year: | 1950 |
| Draft Round: | 6 |
| Draft Pick: | 68 |
| Draft Team: | Indianapolis Olympians |
| Career Start: | 1951 |
| Career End: | 1953 |
| Career Number: | 6, 20 |
| Career Position: | Point guard |
| Years1: | 1950-1951 |
| Team1: | Grand Rapids Hornets |
| Years2: | 1951 |
| Team2: | Waterloo Hawks |
| Team3: | Indianapolis Olympians |
| Team4: | Baltimore Bullets |
| Highlights: |
|
| Stats League: | NBA |
| Stat1label: | Points |
| Stat1value: | 848 (7.1 ppg) |
| Stat2label: | Rebounds |
| Stat2value: | 192 (1.6 rpg) |
| Stat3label: | Assists |
| Stat3value: | 180 (1.5 apg) |
| Bbr: | obriera01 |
Ralph E. "Buckshot" O'Brien (April 8, 1928 – August 22, 2018) was an American professional basketball player.
A 5'9" point guard from Butler University, O'Brien played two seasons (1951–1953) in the National Basketball Association as a member of the Indianapolis Olympians and Baltimore Bullets. He averaged 7.1 points per game in his NBA career.
O'Brien was the last Butler product to appear in an NBA game for more than a half-century, before the 2010 arrival of Gordon Hayward.
| Year | Team | GP | MPG | FG% | FT% | RPG | APG | PPG | |
|---|---|---|---|---|---|---|---|---|---|
| 1951–52 | Indianapolis | 64 | 24.6 | .372 | .819 | 1.9 | 1.9 | 9.0 | |
| 1952–53 | Indianapolis | 34 | 15.5 | .311 | .877 | 1.5 | 1.0 | 5.1 | |
| Fort Wayne | 7 | 7.1 | .417 | .600 | .0 | .6 | 3.3 | ||
| Baltimore | 14 | 13.0 | .375 | .818 | 1.4 | 1.2 | 5.1 | ||
| Career | 199 | 19.6 | .360 | .830 | 1.6 | 1.5 | 7.1 | ||
| Year | Team | GP | MPG | FG% | FT% | RPG | APG | PPG | |
|---|---|---|---|---|---|---|---|---|---|
| 1952 | Indianapolis | 2 | 24.5 | .455 | 1.000 | 1.5 | 1.5 | 7.5 | |
| 1953 | Baltimore | 1 | 18.0 | .000 | 1.000 | 1.0 | .0 | 2.0 | |
| Career | 3 | 22.3 | .385 | 1.000 | 1.3 | 1.0 | 5.7 | ||