| Honorific-Prefix: | Admiral |
| Ademir Sobrinho | |
| Office: | Chief of the Joint Staff of the Armed Forces |
| Term Start: | 7 December 2015 |
| Term End: | 15 January 2019 |
| President: | Michel Temer |
| 1Blankname: | Minister of Defence |
| 1Namedata: | Aldo Rebelo |
| Predecessor: | José Carlos De Nardi |
| Birth Date: | 6 July 1952 |
| Birth Place: | Espera Feliz, Brazil |
| Allegiance: |  Brazil |
| Branch: | Brazilian Navy |
| Rank: | Admiral of the fleet |
| Serviceyears: | 1970−present |
Ademir Sobrinho (born 6 July 1952 in Espera Feliz) is a Brazilian Admiral of the fleet, and Chief of the Joint Staff of the Armed Forces between 2015 and 2019.[1]
Sobrinho joined the Brazilian Navy in 1970,[2] and was declared a Navy Guard in 1976. Throughout his career, he held, among other functions, the command of the Frigate Independência (F-44), the command of the River Patrol Ship Rôndonia (P-51), the naval adidance in Italy and the command of the Amazon Flotilla.[2]