Bill Cosby won the Primetime Emmy Awards for Outstanding Lead Actor in a Drama Series three times (1966, 1967, 1968).
| Year | Contest | Category | For | Sources |
|---|---|---|---|---|
| 1968 | Primetime Emmy Awards | Outstanding Lead Actor in a Drama Series | I Spy | 1 · 2 |
| 1967 | Primetime Emmy Awards | Outstanding Lead Actor in a Drama Series | I Spy | 1 · 2 |
| 1966 | Primetime Emmy Awards | Outstanding Lead Actor in a Drama Series | I Spy | 1 · 2 |