Papal election, 1287–88 Cardinal electors Cardinal electors

| Elector | Nationality | Order_ | Title | Elevated | Elevator |
|---|---|---|---|---|---|
| Bentivenga da Bentivengi , O.F.M. | Acquasparta | Cardinal-bishop | Bishop of Albano | March 12, 1278 | Nicholas III |
| Latino Malabranca Orsini , O.P. | Roman | Cardinal-bishop | Bishop of Ostia e Velletri | March 12, 1278 | Nicholas III |
| Bernard de Languissel | French | Cardinal-bishop | Bishop of Porto e Santa Rufina | April 12, 1281 | Martin IV |
| Giovanni Boccamazza | Roman | Cardinal-bishop | Bishop of Frascati | December 22, 1285 | Honorius IV |
| Gerardo Bianchi | Parma | Cardinal-bishop | Bishop of Sabina | March 12, 1278 | Nicholas III |
| Girolamo Masci , O.F.M. | Ascoli | Cardinal-bishop | Bishop of Palestrina | March 12, 1278 | Nicholas III |
| Jean Cholet | French | Cardinal-priest | Title of S. Cecilia | April 12, 1281 | Martin IV |