FL or variations may refer to:
Flickr (pronounced "flicker") is an image hosting and video hosting website and web services suite that was created by Ludicorp in 2004 and acquired by Yahoo on March 20, 2005. In addition to being a popular website for users to share and embed personal photographs, and effectively an online community, the service is widely used by photo researchers and by bloggers to host images that they embed in blogs and social media.
Floyd Joy Mayweather Jr. (born Floyd Joy Sinclair; February 24, 1977) is an American professional boxer and promoter.
Florida (Spanish for "land of flowers") is a state located in the southeastern region of the United States.
The flag of the United States of America, often referred to as the American flag, is the national flag of the United States.
The Flying Spaghetti Monster (FSM) is the deity of the Church of the Flying Spaghetti Monster, or Pastafarianism.