FEB can stand for
- Brazilian Expeditionary Force (Portuguese: Força Expedicionária Brasileira)
- Spanish Basketball Federation, (Spanish: Federación Española de Baloncesto)
- Federatie Eredivisie Basketball, the former name of the Dutch Basketball League, the top professional basketball league in the Netherlands
- FEB Promotiedivisie, second-tier league to the DBL
- Federal Executive Boards - in the US
- Federation of Enterprises in Belgium