| Name | Pos | Salary | Through | Years Left | Notes | Years in Majors |
| A. Chapman | CL | $12,000,000 | 2023 | 3 years left | | 13 years |
| J. Donaldson | C | $10,500,000 | 2021 | 1 years left | Free agent after this season! | 11 years |
| D. Jennings | CF | $9,100,000 | 2021 | 1 years left | Free agent after this season! | 10 years |
| C. Maybin | CF | $9,000,069 | 2025 | 5 years left | | 11 years |
| J. Upton | CF | $8,500,000 | 2023 | 3 years left | | 12 years |
| J. Arrieta | SP | $8,000,000 | 2025 | 5 years left | | 10 years |
| W. Merrifield | 2B | $8,000,000 | 2023 | 3 years left | | 8 years |
| J. Votto | 1B | $6,960,000 | 2021 | 1 years left | Free agent after this season! | 14 years |
| J. Johnson | SP | $4,490,000 | 2022 | 2 years left | | 13 years |
| J. Kang | 2B | $2,500,000 | 2021 | 1 years left | Free agent after this season! | 9 years |
| R. Cano | 2B | $2,140,000 | 2021 | 1 years left | Free agent after this season! | 16 years |
| P. Venditte | SP | $2,000,000 | 2022 | 2 years left | | 6 years |
| L. Head | MR | $1,857,143 | 2021 | 1 years left | Arbitration (Estimate: $2,320,000) | 4 years |
| K. Newman | 2B | $1,750,000 | 2026 | 6 years left | | 2 years |
| N. Vincent | MR | $1,570,000 | 2021 | 1 years left | Free agent after this season! | 7 years |
| D. Peralta | LF | $1,542,857 | 2021 | 1 years left | Arbitration (Estimate: $1,540,000) | 4 years |
| W. Castillo | C | $1,000,000 | 2023 | 3 years left | | 8 years |
| J. Howell | MR | $720,000 | 2021 | 1 years left | Free agent after this season! | 14 years |
| T. Cooney | MR | $300,000 | 2021 | 1 years left | Automatic Resign. | 1 years |
| J. Gomez | MR | $300,000 | 2021 | 1 years left | Automatic Resign. | 1 years |
| S. Hilliard | CF | $300,000 | 2021 | 1 years left | Possible Arbitration, 172 more days of service needed this year. | 2 years |
| R. Garton | MR | $300,000 | 2021 | 1 years left | Automatic Resign. | 1 years |
| J. Teheran | SP | $300,000 | 2021 | 1 years left | Possible Arbitration, 116 more days of service needed this year. | 2 years |
| K. Lobstein | MR | $300,000 | 2021 | 1 years left | Automatic Resign. | 1 years |
| R. Refsnyder | 2B | $300,000 | 2021 | 1 years left | Possible Arbitration, 172 more days of service needed this year. | 2 years |
| M. Meyer | SP | Minor-League-Contract | - | - | | 0 years |
| C. Vallimont | MR | Minor-League-Contract | - | - | | 0 years |
| T. Mayza | MR | Minor-League-Contract | - | - | | 0 years |
| J. Tetreault | SP | Minor-League-Contract | - | - | | 0 years |
| C. Encarnacion | 1B | Minor-League-Contract | - | - | | 0 years |
| A. Winans | SP | Minor-League-Contract | - | - | | 0 years |
| R. Rodriguez | MR | Minor-League-Contract | - | - | | 0 years |
| T. Bradley | SP | Minor-League-Contract | - | - | | 0 years |
| C. Overton | MR | Minor-League-Contract | - | - | | 0 years |
| A. Kirk | C | Minor-League-Contract | - | - | | 0 years |
| C. Gallagher | C | Minor-League-Contract | - | - | | 0 years |
| N. Eovaldi | MR | Minor-League-Contract | - | - | | 1 years |
| J. Bowlan | MR | Minor-League-Contract | - | - | | 0 years |
| K. Quackenbush | MR | Minor-League-Contract | - | - | | 0 years |
| B. Stewart | MR | Minor-League-Contract | - | - | | 0 years |
| J. Petricka | MR | Minor-League-Contract | - | - | | 0 years |
| T. Gott | MR | Minor-League-Contract | - | - | | 0 years |
| J. Sheffield | MR | Minor-League-Contract | - | - | | 0 years |
| J. Shafer | MR | Minor-League-Contract | - | - | | 0 years |
| D. Robert | MR | Minor-League-Contract | - | - | | 0 years |
| C. Boushley | MR | Minor-League-Contract | - | - | | 0 years |
| C. Holmes | MR | Minor-League-Contract | - | - | | 0 years |
| R. Tepera | MR | Minor-League-Contract | - | - | | 0 years |
| B. Johnson | SP | Minor-League-Contract | - | - | | 0 years |
| Y. Tomas | RF | Minor-League-Contract | - | - | | 0 years |
| D. Roach | MR | Minor-League-Contract | - | - | | 0 years |
| S. Nolin | MR | Minor-League-Contract | - | - | | 0 years |
| J. Vanmeter | 2B | Minor-League-Contract | - | - | | 0 years |
| J. Marte | SP | Minor-League-Contract | - | - | | 0 years |
| B. McKinney | LF | Minor-League-Contract | - | - | | 0 years |
| I. Lopez | 3B | Minor-League-Contract | - | - | | 0 years |
| K. Ort | MR | Minor-League-Contract | - | - | | 0 years |
| A. Triggs | SP | Minor-League-Contract | - | - | | 0 years |
| B. Pinder | MR | Minor-League-Contract | - | - | | 0 years |
| G. Conine | RF | Minor-League-Contract | - | - | | 0 years |
| A. Pena | SP | Minor-League-Contract | - | - | | 0 years |
| T. Danish | MR | Minor-League-Contract | - | - | | 0 years |
| C. Casali | C | Minor-League-Contract | - | - | | 0 years |
| C. Criswell | SP | Minor-League-Contract | - | - | | 0 years |
| J. Jewell | MR | Minor-League-Contract | - | - | | 0 years |
| D. Goforth | SP | Minor-League-Contract | - | - | | 0 years |
| L. Michael | SS | Minor-League-Contract | - | - | | 0 years |
| M. Moroff | 2B | Minor-League-Contract | - | - | | 0 years |
| T. Peterson | MR | Minor-League-Contract | - | - | | 0 years |
| P. Smith | RF | Minor-League-Contract | - | - | | 0 years |
| L. Mazzilli Jr. | 3B | Minor-League-Contract | - | - | | 0 years |
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