Floruit ( or ), abbreviated fl. (or occasionally, flor.), in Latin meaning "he/she flourished", denotes a date or period during which a person was known to have been alive or active. In English, the word may also be used as a noun indicating the time when someone "flourished".

Floruit ( or ), abbreviated fl. (or occasionally, flor.), in Latin meaning "he/she flourished", denotes a date or period during which a person was known to have been alive or active. In English, the word may also be used as a noun indicating the time when someone "flourished".