Below is a list of the promotional giveaways for the 2004 Arizona Diamondbacks Season.
| April | ||
| Date | Description | Quantity |
| April 6 | Nissan Baseball Caps | 50,000 |
| April 7 | MLB Collectible Posters | 20,000 |
| April 8 | MLB Collectible Posters | 20,000 |
| April 9 | Pepsi Schedule Magnets | 30,000 |
| April 11 | MLB Trading Card Packs / Kids Post-Game Easter Egg Hunt on the field (for kids 15 years and younger) |
10,000 |
| April 24 | America West Airlines Catch a Ball, Catch a Flight Night | |
| April 25 | Fujifilm Fan Photo Day Bike to B.O.B. Matt Kata Posters |
30,000 |
| April 26 | Diamondbacks Charities Broadcast Auction | |
| May | ||
| Date | Description | Quantity |
| May 7 | azcentral.com Team Posters | 20,000 |
| May 9 | Mother's Day NewsChannel 3 Tote Bags (for all mothers) |
15,000 |
| May 14 | Miller Lite Disco Nite | |
| May 16 | Majestic Kids Batting Gloves (for kids 15 years and younger) Fiesta Domingo |
10,000 |
| May 26 | Diamondbacks Road Game Party at Fox Sports Grill | |
| May 31 | Cox Communications Kids Calculators (for kids 15 years and younger)> Veteran's Recognition Day |
10,000 |
| June | ||
| Date | Description | Quantity |
| June 4 | Peter Piper Pizza Randy Johnson Commemorative Coin Sets | 15,000 |
| June 6 | Pepsi Kids Wristbands (for kids 15 years and younger) |
20,000 |
| June 19 | Panda Express Lucky Fortune Cookies | 30,000 |
| June 20 | Father's Day NewsRadio 620 KTAR Radios (for all fathers) |
15,000 |
| July | ||
| Date | Description | Quantity |
| July 4 | Discount Tire Company July 4th T-shirts | 30,000 |
| July 14 | All-Star Game Party at Fox Sports Grill | |
| July 16 | Jiffy Lube T-Shirts | 15,000 |
| July 17 | Circle K Richie Sexson Bobble Head Dolls (All fans will receive a scratch card to determine if they've won a Bobble Head Doll) |
30,000 |
| July 18 | The Maytag Store Bottle Jerseys | 30,000 |
| July 23 | America West Airlines Catch a Ball, Catch a Flight Night | |
| July 24 | Gila River Casinos Cap Clips (for fans 21 years and older) |
20,000 |
| July 25 | Fiesta Domingo | |
| August | ||
| Date | Description | Quantity |
| August 7 | Gila River Casinos Babooshkah Dolls (for fans 21 years and older) |
30,000 |
| August 8 | MLB Trading Card Packs / Kids Trading Card Event - LF Upper Deck (for fans 15 years and younger) |
10,000 |
| August 17 | MDA/ALS Broadcast Auction | |
| August 22 | Shamrock Farms Luis Gonzalez Growth Charts (for fans 15 years and younger) |
10,000 |
| September | ||
| Date | Description | Quantity |
| September 10 | Miller Lite 80's Nite | |
| September 11 | NASCAR NEXTEL Cup Night | |
| September 12 | Gila River Casinos Floppy Hats (for fans 21 years and older) |
20,000 |
| September 16 | Hispanic Heritage Day Celebration | |
| October | ||
| Date | Description | Quantity |
| October 2 | Fandemonium! | |
| October 3 | McDonald's Kids Wallets (for fans 15 years and younger) Fandemonium! / Shirts Off Our D-Backs Winners Presentation |
10,000 |
Select Season to View Game Promotions
