| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Riginaldo Lucarini | |
| Bishop of Città della Pieve | |
| Church: | Catholic Church |
| Diocese: | Diocese of Città della Pieve |
| Term: | 1643–1671 |
| Predecessor: | Giovanni Battista Carcarasio |
| Successor: | Carlo Francesco Muti |
| Consecration: | 15 February 1643 |
| Consecrated By: | Alessandro Cesarini (iuniore) |
| Death Date: | 8 October 1671 |
| Death Place: | Città della Pieve, Italy |
Riginaldo Lucarini, O.P. (died 1671) was a Roman Catholic prelate who served as Bishop of Città della Pieve (1643–1671).[1]
Riginaldo Lucarini was ordained a priest in the Order of Preachers.[2] On 9 February 1643, he was appointed during the papacy of Pope Urban VIII as Bishop of Città della Pieve.On 15 February 1643, he was consecrated bishop by Alessandro Cesarini (iuniore), Cardinal-Deacon of Sant'Eustachio, with Giovanni Battista Altieri, Bishop Emeritus of Camerino, and Giovanni Battista Scanaroli, Titular Bishop of Sidon, serving as co-consecrators. He served as Bishop of Città della Pieve until his death on 8 October 1671. While bishop, he was the principal co-consecrator of Carlo Bonafaccia, Bishop of Ortona a Mare e Campli (1653); and Carlo Giuliani, Bishop of Stagno (1653).