The Cincinnati Reds have signed all of their 2021 Draft Picks. Any player taken after the 10th round can sign for up to $125,000 without coming into play for the ‘draft cap’. If they sign for over $125,000, anything over the first $125,000 that player signs for counts toward the ‘draft cap’. The Reds draft cap this year is $11,905,700 for rounds 1-10. Players who have agreed to signed are in BOLD. Players who have confirmed to have signed are in BOLD.
| Draft Spending Cap | Slot $ for Signed Picks | Total Spent | Extra Money |
| $11,905,700 | $12,030,700 | $12,485,800 | -$580,100 |
Early on all bonuses are not known, so the chart above may not be accurate for the number of players signed, but only shows the numbers for known signed bonuses.
For scouting reports and other information on all of the drafted players, you can click here.
| Round | Player | Position | Slot | Signed For |
| 1 | Matt McLain | SS | $3,609,700 | $4,625,000 |
| 1 (30) | Jay Allen | OF | $2,365,500 | $2,400,000 |
| 1 (35) | Mat Nelson | C | $2,095,800 | $2,095,800 |
| 2 | Andrew Abbott | LHP | $1,370,400 | $1,300,000 |
| 3 | Jose Torres | SS | $667,900 | $622,500 |
| 4 | Ruben Ibarra | 1B | $483,000 | $172,500 |
| 5 | Thomas Farr | RHP | $357,100 | $297,500 |
| 6 | Justice Thompson | OF | $272,500 | $250,000 |
| 7 | Kevin Abel | RHP | $213,300 | $175,000 |
| 8 | Hunter Parks | RHP | $172,100 | $142,500 |
| 9 | Jack Rogers | OF | $153,600 | $127,500 |
| 10 | Donovan Benoit | RHP | $144,800 | $130,000 |
| 11 | Shawn Guilliams | RHP | $125,000 | $272,500 |
| 12 | Julian Aguiar | RHP | $125,000 | N/A |
| 13 | Michael Trautwein | C | $125,000 | $125,000 |
| 14 | Carter Raffield | RHP | $125,000 | $125,000 |
| 15 | Blake Dunn | OF | $125,000 | $125,000 |
| 16 | Owen Holt | RHP | $125,000 | N/A |
| 17 | Dennis Boatman | RHP | $125,000 | N/A |
| 18 | Austin Callahan | 3B | $125,000 | $125,000 |
| 19 | Ryan Cardona | RHP | $125,000 | N/A |
| 20 | Javi Rivera | RHP | $125,000 | N/A |