Below is a list of the proposed promotional giveaways for the 2021 Arizona Diamondbacks Season. To begin the season promotions were spread over three games due to the COVID pandemic and limited number of fans that could attend games in-person.
| April | ||
| Date | Description | Quantity |
| April 9 | Clear Plastic Tote Bag - Gila River Hotels & Casinos D-backs Home Opener |
5,000 |
| April 10 | Clear Plastic Tote Bag - Gila River Hotels & Casinos | 5,000 |
| April 11 | Clear Plastic Tote Bag - Gila River Hotels & Casinos | 5,000 |
| April 30 | D-backs Graffiti Art Cap - Pepsi | 5,000 |
| May | ||
| Date | Description | Quantity |
| May 1 | D-backs Graffiti Art Cap - Pepsi | 5,000 |
| May 2 | D-backs Graffiti Art Cap - Pepsi | 5,000 | May 14 | Ketel Marte Switch-Hitter Bobblehead - Gila River Hotels & Casinos | 5,000 |
| May 15 | Ketel Marte Switch-Hitter Bobblehead - Gila River Hotels & Casinos | 5,000 |
| May 16 | Ketel Marte Switch-Hitter Bobblehead - Gila River Hotels & Casinos | 5,000 |
| May 29 | Tribal Jersey - Gila River Hotels & Casinos | 10,000 |
| May 30 | Tribal Jersey - Gila River Hotels & Casinos | 10,000 |
| June | ||
| Date | Description | Quantity |
| June 2 | Lou Gehrig Day | |
| June 11 | Pride Night - Vizzy | |
| June 19 | Juneteenth | |
| June 20 | Father's Day Hawaiian Shirt - Tyson Foods | 15,000 |
| July | ||
| Date | Description | Quantity |
| July 3 | Clear Bag - MLB Network Fireworks - Gila River Hotels & Casinos |
10,000 |
| July 4 | Clear Bag - MLB Network Fireworks - Gila River Hotels & Casinos |
10,000 |
| July 16 | Fireworks - Gila River Hotels & Casinos | |
| July 30 | Fireworks - Gila River Hotels & Casinos | |
| August | ||
| Date | Description | Quantity |
| August 1 | Trading Card - Topps National Baseball Card Day | 10,000 |
| August 13 | Fireworks - Gila River Hotels & Casinos | |
| August 14 | Christian Sky-Walker Star Wars Bobblehead - Cox Communications | 10,000 |
| August 15 | Christian Sky-Walker Star Wars Bobblehead - Cox Communications | 10,000 |
| September | ||
| Date | Description | Quantity |
| September 4 | 20th Anniversary World Championship T-Shirt | 10,000 |
| September 5 | Childhood Cancer Awareness Day | |
| September 24 | Fireworks - Gila River Hotels & Casinos | |
| September 25 | Roberto Clemente Day and Hispanic Heritage Day - Estrella Jalisco | |
Select Season to View Game Promotions
