FXI may refer to: *

Air Iceland An atmosphere () is a layer of gases that envelop an astronomical object, held in place by the gravity of the object. A planet retains an atmosphere when the gravity is great and the temperature of the atmosphere is low. A stellar atmosphere ...

(ICAO airline code: FXI), a former Icelandic airline *

Factor XI Factor XI, or plasma thromboplastin antecedent, is the zymogen form of factor XIa, one of the enzymes involved in coagulation. Like many other coagulation factors, it is a serine protease. In humans, factor XI is encoded by ''F11'' gene. Fu ...

, an enzyme * FXI Technologies, a Norwegian electronics manufacturer * Fuxin railway station (rail station code: FXI), Beijing–Shenyang High-Speed Railway, Jingshen Passenger Railway, China

See also