| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| D | Mariano | 1986-06-23 | 177 | 69 | |||
| D | Wallace | 1994-05-01 | 175 | 72 | 2016-06-30 | ||
| M | Manuel Lanzini | 1993-02-15 | 169 | 64 | 2020-06-30 | ||
| M | Marquinho | 1986-07-03 | 180 | 70 | |||
| F | Fred | 1983-10-03 | 185 | 75 | 2015 dec | ||
| F | Wellington Nem | 1992-02-06 | 170 | 68 | 2018 jun |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 19.Jul | Wellington Silva (F) | Arsenal FC | Fluminense | Confirmed | |
| 28.Jun | Matheus (D) | Fluminense | Ängelholms FF | Confirmed | |
| 11.Apr | Bryan Olivera (M) | Fluminense | Ottawa Fury FC | Confirmed | |
| 8.Jan | Samuel (F) | Fluminense | Los Angeles Galaxy | Confirmed | |
| 20.Dec | Pablo (M) | Djurgårdens IF | Fluminense | Confirmed | |
| 7.Jun | Wellington Nem (F) | Fluminense | FK Shakhtar Donetsk | Confirmed | |
| 31.Jan | Alejandro Martinuccio (F) | Fluminense | Villarreal CF | Confirmed | |
| 28.Jun | Alejandro Martinuccio (F) | CA Peñarol | Fluminense | Rumour | |
| 8.Aug | Deco (M) | Chelsea FC | Fluminense | Confirmed | |
| 18.May | Deco (M) | Chelsea FC | Fluminense | Rumour |