Quaerere per praefixa
- Felix (nomen)
- Felix Adler (professor)
- Felix Alcan
- Felix Antonius Philibertus Dupanloup
- Felix Bloch
- Felix Bracquemond
- Felix Calonder
- Felix Casorati
- Felix Dzierżyński
- Felix Fabri
- Felix Faure
- Felix Gabriel Marchand
- Felix Gaffiot
- Felix Gaillard
- Felix Genn
- Felix Gmür
- Felix Gouin
- Felix Gutzwiller
- Felix Hiller
- Felix Houphouët-Boigny
- Felix I
- Felix II
- Felix III
- Felix IV
- Felix Jacoby
- Felix Klein
- Felix Luna
- Felix Magath
- Felix Malleolus
- Felix Malloum
- Felix Maria Samaniego
- Felix Maria Zuloaga
- Felix Mendelssohn Bartholdy
- Felix Moloua
- Felix Platter
- Felix Salten
- Felix Slavik
- Felix Stroe
- Felix Theodorus Hamrin
- Felix Tshisekedi
- Felix Vallotton
- Felix Vicq d’Azyr
- Felix de Azara
- Felix de Blochausen
- Felix de Hartmann
- Felix de Muelenaere
- Felix de Weingartner
- Felix qui potuit rerum cognoscere causas