| Full name: | William Nairn Riley |
| Born: | 24th November 1892, Appleby Magna, Leicestershire, England |
| Died: | 20th November 1955, Hove, Sussex, England |
| Batting: | Right-hand batter |
| Bowling: | Right-arm fast-medium |
| Education: | Royal Grammar School, Worcester; St Catharine's College, Cambridge |
| Relations: | Daughter: EM Riley |
| Teams: | Leicestershire (Main FC: 1911-1914); Cambridge University (Main FC: 1912-1914); All teams |
| Royal Grammar School, Worcester Captain: 1910 | |
| Leicestershire cap: 1913 | |
| Lists of matches and more detailed statistics | |
| Pictures: | Portrait of William Riley |
| First-Class Career Batting and Fielding (1911-1914) | ||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | Ct | ||
| Overall | 55 | 91 | 1 | 1620 | 121 | 18.00 | 2 | 4 | 31 | |
| First-Class Career Bowling (1911-1914) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM | SRate | Econ | |
| Overall | 456 | 7 | 314 | 7 | 2-12 | 44.85 | 0 | 0 | 65.14 | 4.13 |