| Commanders |
| Commanding General 1ª DIE: |
MG João Bapstista Mascarenhas de Moraes |
| Division Headquarters |
| General Staff Section |
| - Chief-of-Staff |
COL Floriano Lima Brayner |
| - 1st Section Chief (Personnel) |
LTC João da Costa Braga Júnior |
| - 2nd Section Chief (Intelligence and Security) |
LTC Amaury Kruel |
| - 3rd Section Chief (Training and Operations) |
LTC Humberto de Alencar Castelo Branco |
| - 4th Section Chief (Supply) |
MAJ Aguinaldo José Senna Campos |
| Special General Staff Section |
| - Adjutant General |
COL Oswaldo de Araújo Motta |
| - Engineer Section |
COL José Machado Lopes |
| - Ordnance Section |
LTC Luiz Braga Mury |
| - Medical Section |
LTC Dr. Gilberto Fontes Peixoto |
| - Quartermaster Section |
LTC I.E. Fernando Lavaquiel Biosca |
| - Finance Section |
LTC Odilon Gomes da Silva |
| - Chemical Warfare |
MAJ Manuel Campos Assumpção |
| - Political Section |
MAJ Raphael de Souza Aguiar |
| - JAG Section |
LTC (honorary) Adalberto Barreto
LTC (honorary) Eugênio Carvalho do Nascimento |
| - Chaplains |
padre João Pheeney de Camargo e Silva
MAJ R/2 Reynaldo Ramos Saldanha da Gama |
| Inspector General |
LTC Thales Moutinho da Costa |
