| Type: | Bishop |
| Raffaele Castielli | |
| Church: | Roman Catholic Church |
| See: | Diocese of Lucera-Troia |
| Term: | 1987–1996 |
| Predecessor: | Carmelo Cassati (Lucera), Salvatore De Giorgi (Troia) |
| Successor: | Francesco Zerrillo |
| Ordination: | 9 July 1950 |
| Birth Date: | 5 March 1927 |
| Birth Place: | Faeto, Italy |
| Death Place: | Lucera, Italy |
Raffaele Castielli (5 March 1927 – 3 August 2018) was an Italian bishop, ordinary of the Roman Catholic Diocese of Lucera-Troia. He was ordained a priest on 9 July 1950. He was appointed first bishop of the newly merged Diocese of Lucera-Troia on 11 February 1987, receiving his episcopal consecration on 25 March 1989 from Archbishop Salvatore De Giorgi. Castielli retired as bishop on 18 May 1996.[1]