From Latin Fēlīx.

• IPA: /ˈfiːlɪks/

1. A male given name.
   • 1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC ↗, Acts 24:24 ↗:

     And after certain days, when Felix came with his wife Drusilla, which was a Jewess, he sent for Paul, and heard him concerning the faith in Christ.

   • 2005 Marc Cerasini, etc, Operation Hell Gate, HarperEntertainment, ISBN 0060842245, page 134:

     Had a funny first name, like Oscar or maybe - no! I remember now. It was Felix. Felix Tanner.

2. A generic name given to a cat.
3. A place name:
   1. A mun in Almería.
   2. A community and railway point in Sudbury District.
   3. An ucomm in Calaveras County, California.
   4. A twp in Grundy County, Illinois, named after Felix Grundy.
   5. A twp in Grundy County, Iowa, also named after Felix Grundy.

• female given names: Felicia, Felicity

• French: Félix
• German: Felix
• Italian: Felice
• Portuguese: Félix
• Russian: Фе́ликс
• Spanish: Félix

1. Free Electron Laser for Infrared eXperiments
2. Free-orbit Experiment with Laser Interferometry X-Rays