FECA

FECA may refer to:


 * Federal Election Campaign Act, a U.S. federal law regulating political campaign spending and fundraising.
 * Federal Employees' Compensation Act, a U.S. national law regarding compensation to federal government employees for work-related injuries
 * Family Entertainment and Copyright Act, a U.S. federal law pertaining to copyright
 * FecA, the Fe(3+) dicitrate transport protein from E. coli
 * First Eukaryotic Common Ancestor