Richard Schlesinger (tennis)
Richard Emil Schlesinger was an Australian tennis player.
Schlesinger was a two-time runner-up at the Australasian Championships, the future Australian Open, losing to James Anderson in 1924, and to John Colin Gregory in 1929.
Grand Slam finals
Singles: 2 runners-up
| Year | Championship | Surface | Opponent in the final | Score in the final |
| 1924 | Australasian Championships | Grass |  James Anderson | 3–6, 4–6, 6–3, 7–5, 3–6 |
| 1929 | Australian Championships | Grass |  John Colin Gregory | 2–6, 2–6, 7–5, 5–7 |