| Harry Billiard | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | November 11, 1883 |
| Birth Place: | Monroe, Indiana, U.S. |
| Death Place: | Wooster, Ohio, U.S. |
| Debutleague: | MLB |
| Debutdate: | July 31 |
| Debutyear: | 1908 |
| Debutteam: | New York Highlanders |
| Finalleague: | MLB |
| Finaldate: | October 3 |
| Finalyear: | 1915 |
| Finalteam: | Newark Pepper |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 8–8 |
| Stat3label: | Strikeouts |
| Stat3value: | 62 |
| Stat2label: | Earned run average |
| Stat2value: | 3.95 |
| Teams: | |
Harry Pree Billiard (November 11, 1883 – June 3, 1923), nicknamed "Pree", was an American Major League Baseball pitcher who played in with the New York Highlanders of the American League, then in with the Indianapolis Hoosiers, continuing with the team in when it moved and became the Newark Pepper. He batted and threw left-handed.