| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| GK | Richard Wright | 1977-11-05 | 187 | 82 | |||
| GK | Steve Simonsen | 1979-04-03 | 188 | 82 | |||
| D | Ellan Parrino | 1992-09-03 | 178 | 78 | |||
| D | Erik Tönne | 1991-05-07 | 180 | 77 | 2016-12-31 | ||
| D | Harry Maguire | 1993-03-05 | 188 | 79 | 2022-06-30 | ||
| D | Johannes Ertl | 1982-11-13 | 188 | 80 | |||
| D | Kyle Bartley | 1991-05-22 | 178 | 70 | 2018-06-30 | ||
| D | Ritchie De Laet | 1988-11-28 | 186 | 77 | 2019-06-30 | ||
| M | Bjørn Helge Riise | 1983-06-21 | 178 | 75 | 2018-12-31 | ||
| M | David McAllister | 1988-12-29 | 178 | 74 | |||
| M | Jamie Ward | 1986-05-12 | 165 | 59 | 2019-06-30 | ||
| M | Lee Williamson | 1982-06-07 | 178 | 65 | |||
| M | Leon Britton | 1982-09-16 | 167 | 63 | 2018-06-30 | ||
| M | Nicholas Montgomery | 1981-10-28 | 175 | 74 | |||
| M | Stephen Quinn | 1986-04-04 | 168 | 60 | 2018-06-30 | ||
| F | Daniel Bogdanovic | 1980-03-26 | 187 | 71 | 2012 | ||
| F | Sam Vokes | 1989-10-21 | 186 | 90 | 2019-06-30 |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 30.Jun | Cameron Carter-Wickers (D) | Sheffield United | Tottenham Hotspur | Confirmed | |
| 30.Jun | Danny Lafferty (D) | Sheffield United | Burnley FC | Confirmed | |
| 31.Jan | Aaron Ramsdale (GK) | Sheffield United | AFC Bournemouth | Confirmed | |
| 31.Aug | Dominic Calvert-Lewin (M) | Sheffield United | Everton FC | Confirmed | |
| 31.Aug | Danny Lafferty (D) | Burnley FC | Sheffield United | Confirmed | |
| 30.Jun | Jamal Campbell-Ryce (M) | Chesterfield FC | Sheffield United | Confirmed | |
| 21.Mar | Jamal Campbell-Ryce (M) | Sheffield United | Chesterfield FC | Confirmed | |
| 11.Mar | Neill Collins (D) | Sheffield United | Tampa Bay Rowdies | Confirmed | |
| 21.Oct | Dean Hammond (M) | Leicester City | Sheffield United | Confirmed | |
| 24.Jan | Kieron Freeman (D) | Derby County | Sheffield United | Confirmed |