Quaerere per praefixa
- Clemens
- Clemens Achridensis
- Clemens Aemilius Roques
- Clemens Alexandrinus
- Clemens Attlee
- Clemens Augustus Comes de Galen
- Clemens Binninger
- Clemens Brentano
- Clemens Calhoun Young
- Clemens Comer Clay
- Clemens Comes Podewils-Dürniz
- Clemens Desessard
- Clemens I
- Clemens II
- Clemens III
- Clemens III (antipapa)
- Clemens IV
- Clemens IX
- Clemens Ioannes Setz
- Clemens Janequin
- Clemens Krauss
- Clemens Maria Hofbauer
- Clemens Marotus
- Clemens Maydestone
- Clemens Plassmann
- Clemens Rodríguez
- Clemens Timirjazev
- Clemens Turnovski
- Clemens V
- Clemens VI
- Clemens VIII
- Clemens VIII (antipapa)
- Clemens VIII (papa)
- Clemens VII (antipapa)
- Clemens VII (discretiva)
- Clemens VII (papa)
- Clemens Vencelus Nepomucus Lotharius Metternicus
- Clemens Venceslaus Coudray
- Clemens Vorošilov
- Clemens X
- Clemens XI
- Clemens XII
- Clemens XIII
- Clemens XIV
- Clemens Yerovi