| Name | Department | Location |
| Brito, Luciana Botafogo | Multilateral Investment Fund | Brasilia D.F., Brazil |
| Brito, Steve Alexander | IFD | Washington D.C., USA |
| Brodie, Ian | Office of Strategic Planning and Development Effectiveness | Washington D.C., USA |
| Brol de Nolte, Claudia Veronica | Country Department Central America, Mexico, Panama and the Dominican Republic | Guatemala, Guatemala |
| Brown, Betty Beatrice | Country Department Caribbean Group | Nassau, Bahamas |
| Brown, Damaris Janelle | Executive Directors | Washington D.C., USA |
| Brown, Paa-Ekow | Finance Department | Washington D.C., USA |
| Bruchmann, Maria Eugenia | Office of the Auditor General | Washington D.C., USA |
| Brugulat Panes, Marc | IFD | Guatemala, Guatemala |
| Brusewitz, Mary Rose | MEC | Washington D.C., USA |
| Bucardo, Alberto Francisco | Multilateral Investment Fund | México D.F., Mexico |
| Buchara, Diego Sebastian | Legal Department | Washington D.C., USA |
| Bucheli Sanchez, Viviana Karina | Information Technology Department | Washington D.C., USA |
| Buchsbaum, Ma. Bernadete | Legal Department | Washington D.C., USA |
| Buckle, Tiffoni | Infrastructure and Environment Sector | Washington D.C., USA |