• Fair Labor Association
• Family Law Act
• Fiduciary License Agreement, a license to empower FSFE to uphold interests of and protect authors
• Clube de Regatas do Flamengo, a Brazilian multimodality sports association
• .FLA, the Macromedia/Adobe Flash vector-graphics file format
• Florida, a U.S. state
• The Florida Marlins baseball franchise in the MLB
• The Florida Panthers hockey franchise in the NHL
• Foreign Language Assistant
• Forest Lake Academy, a Seventh-Day Adventist high school in Apopka, Florida
• Full Load Amperes, the full load current in Amperes in an electric motor
• Future Leaders of America

In language:

• Four letter abbreviation
• Five letter abbreviation

In Music:

• Front Line Assembly, a Canadian electro-industrial band
• Fight Like Apes, an Irish shoegaze band

In Terrorism:

• Frente de Libertação dos Açores, a separatist group from Azores, Portugal