FKA
FKA may refer to:

An initialism meaning "formerly known as"
Fazilka Junction railway station, in Punjab, India
Federal Kidnapping Act, in the United States
Fender Katsalidis Architects, an Australian architectural firm
Fillmore County Airport, in Minnesota, United States
Karrakatta railway station, in Perth, Australia
FKA Twigs (born 1988), English singer
Roscosmos State Corporation, the governmental body responsible for the space science program of Russia