| Caption: | Amaro dos Santos in May 2023 |
| Honorific-Prefix: | General |
| Marcos Antonio Amaro dos Santos | |
| Office: | Head of Institutional Security Cabinet |
| Term Start: | 4 May 2023 |
| President: | Luiz Inácio Lula da Silva |
| Office2: | Chief of the Brazilian Army General Staff |
| Term Start2: | 31 March 2020 |
| Term End2: | 31 March 2022 |
| President2: | Jair Bolsonaro |
| 1Blankname2: | Minister of Defence |
| 1Namedata2: | Walter Souza Braga Netto |
| Predecessor2: | Walter Souza Braga Netto |
| Successor2: | Valério Stumpf Trindade |
| Office3: | Commander of the Southeastern Military Region |
| Term Start3: | 31 July 2019 |
| Term End3: | 30 March 2020 |
| 1Blankname3: | Minister |
| 1Namedata3: | Fernando Azevedo e Silva |
| 2Blankname3: | Commander |
| 2Namedata3: | Edson Leal Pujol |
| Predecessor3: | Luiz Eduardo Ramos |
| Successor3: | Eduardo Antonio Fernandes |
| Office4: | Chief of the Military House |
| Term Start4: | 2 October 2015 |
| Term End4: | 19 May 2016 |
| President4: | Dilma Rousseff |
| Predecessor4: | José Elito Carvalho Siqueira |
| Successor4: | Sérgio Etchegoyen |
| Office5: | Commander of the Brazilian Army |
| Term Start5: | 1 February 2021 |
| Term End5: | 4 February 2021 |
| Term Start6: | 22 April 2022 |
| Term End6: | 29 April 2022 |
| Birth Date: | 25 September 1957 |
| Birth Place: | Motuca, São Paulo, Brazil |
| Allegiance: |  Brazil |
| Serviceyears: | 1974–2022 |
| Rank: | Army general |
Marcos Antonio Amaro dos Santos (born 25 September 1957) is a Brazilian Army general and former Chief of the Brazilian Army General Staff, replacing General Walter Souza Braga Netto.[1]
He started his military career on 4 March 1974, at the Brazilian Army Preparatory School for Cadets (EsPCEx).[2] Was promoted to major on 31 August 1993. Reached to the last post in the military as Army General on 31 March 2018.[3]
Amaro already occupied the post of Chief of the Military House of the Presidency between 2 October 2015 and 19 May 2016.[4] [5] Other posts were as Army's Secretary of Economy and Finance[6] as well the Southeastern Military Region command between 31 July 2019 and 30 March 2020.[7] [8] On 31 March 2020, he was named Chief of the Brazilian Army General Staff by president Jair Bolsonaro.[1] [9] Left office after 2 years in office after being transferred to military reserve force.[10] Also held, the position of interim Commander of the Brazilian Army between 1–4 February 2021 and 22–29 April 2022.[11] [12] On 3 May 2023, he was named Chief Minister of Institutional Security Cabinet by president Luiz Inácio Lula da Silva.[13] [14]
|-|-|-