A sect is a subgroup of a religious, political or philosophical belief system. It may also refer to:
- Astrology of sect, an ancient astrological concept
- Subepithelial connective tissue graft, also referred as SECT graft
In entertainment
edit- Sect (World of Darkness), a large organization of vampires set in World of Darkness
- Sect (band), a Brazilian Eurodance band
- SECT, an American-Canadian hardcore punk band