| Type: | Bishop |
| Honorific Prefix: | The Most Reverend |
| Dr. Joseph Rajappa, D.D. | |
| Honorific-Suffix: | Bishop Emeritus of Khammam |
| Term Start: | 18 January 1988 |
| Term End: | 27 December 1989. |
| Predecessor: | Post Created |
| Successor: | Marampudi Joji |
| Previous Post: | Bishop of Kurnool (1967–1988) |
| Ordination: | 19 December 1945 |
| Ordained By: | Archbishop Thomas Pothacamury |
| Consecration: | 7 September 1967 |
| Consecrated By: | Archbishop Duraisamy Simon Lourdusamy |
| Rank: | Bishop |
| Birth Name: | J. Rajappa |
| Birth Date: | 3 November 1918 |
| Birth Place: | Anekal, Karnataka, India |
| Joseph Rajappa | |
| Dipstyle: | The Most Reverend |
| Offstyle: | Your Excellency |
Joseph Rajappa (3 November 1918 - 27 December 1989) was a Priest of the Roman Catholic Church in India. He was the first Bishop in Roman Catholic Diocese of Kurnool (1967-1988) and in Roman Catholic Diocese of Khammam (1988-1989). He hailed from Anekal in erstwhile Mysore state.
He underwent spiritual formation St. Peter's Pontifical Seminary, Bangalore.[1]