| Carlo Mairani | |
| Birth Date: | 16 February 1883 |
| Birth Place: | Milan, Lombardy, Kingdom of Italy |
| Death Place: | Vigevano, Lombardy, Italy |
| Proyears1: | 1905 |
| Proteam1: | Individual |
| Proyears2: | 1906 |
| Proteam2: | Individual |
| Proyears3: | 1908 |
| Proteam3: | Individual |
| Proyears4: | 1909 |
| Proteam4: | S.C. Milanese |
Carlo Mairani (16 February 1883 – 18 July 1959) was an Italian professional road racing cyclist. He competed in the 1905 Giro di Lombardia, 1906 Giro di Lombardia and 1908 Giro di Lombardia[1]