| C. P. Sadashivaiah | |
| Birth Place: | Tumkur, Karnataka |
| Nationality: | Indian |
| Birth Date: | 9 January 1931 |
| Death Date: | 2 June 2007 |
| Other Names: | Babuji |
| Citizenship: | Indian |
| Occupation: | Industrialist, Indian freedom fighter, Inventor |
| Spouse: | Rathna Sadashivaiah |
| Organization: | Shiva Industries |
| Awards: | WIPO Gold Medal, Deshasnehi award, Krishi Pandit, NRDC National award |
C. P. Sadashivaiah (Chikkanayakanahalli Prabhanna Sadashivaiah) (9 January 1931 – 2 June 2007) was an Indian freedom fighter[1] who later became an industrialist, philanthropist and inventor. He has to his credit several designs of agricultural equipments and implements, some of which he himself designed, while many he improved.