Floc can refer to:
Farm Labor Organizing Committee, a labor union Federated Learning of Cohorts (FLoC), a type of web tracking for interest-based advertising Floc (or flock), flake of precipitate that comes out of solution during the process of flocculation Floc (biofilm), a specialized biofilm suspended in water Floc de Gascogne, a sweet apéritif made from a blend of grape juice and Armagnac