| Smashburger Coupons 0 coupons | 0 coupons | Codes only | Shop now |
| SmileDirectClub Coupons 0 coupons | 0 coupons | 5% Donation | Shop now |
| Smile Software Coupons 1 coupon | 1 coupon | Codes only | Shop now |
| Smithey Ironware Company Coupons 6 coupons | 6 coupons | 2.5% Donation | Shop now |
| Smith Micro Coupons 1 coupon | 1 coupon | Codes only | Shop now |
| Smithsonian Museum Store Coupons 11 coupons | 11 coupons | Codes only | Shop now |
| SMOKO Coupons 4 coupons | 4 coupons | 2.5% Donation | Shop now |
| SmugMug Coupons 0 coupons | 0 coupons | Codes only | Shop now |
| Snapfish Coupons 16 coupons | 16 coupons | 2% Donation | Shop now |
| Snappy Tomato Pizza Coupons 1 coupon | 1 coupon | Codes only | Shop now |
| Sneaker Shields Coupons 2 coupons | 2 coupons | Codes only | Shop now |
| Snow Blowers Direct Coupons 0 coupons | 0 coupons | Codes only | Shop now |
| SNOWE Coupons 1 coupon | 1 coupon | Codes only | Shop now |
| SnusCENTRAL Coupons 0 coupons | 0 coupons | Codes only | Shop now |
| SocialEngine Coupons 0 coupons | 0 coupons | Codes only | Shop now |
| Society6.com Coupons 2 coupons | 2 coupons | 2% Donation | Shop now |
| Soko Glam Coupons 38 coupons | 38 coupons | Up to 3.5% Donation | Shop now |
| Solemates Coupons 16 coupons | 16 coupons | Codes only | Shop now |
| Solgaard Design Coupons 3 coupons | 3 coupons | 2% Donation | Shop now |
| Solly Baby Coupons 7 coupons | 7 coupons | 6% Donation | Shop now |
| Soludos Coupons 7 coupons | 7 coupons | Codes only | Shop now |
| Sonic Drive-In Coupons 0 coupons | 0 coupons | Codes only | Shop now |
| Sonic Electronix Coupons 7 coupons | 7 coupons | Codes only | Shop now |
| Sony Electronics Coupons 5 coupons | 5 coupons | 1.5% Donation | Shop now |
| Sorel Coupons 1 coupon | 1 coupon | 1% Donation | Shop now |
| Soufeel Coupons 33 coupons | 33 coupons | Codes only | Shop now |
| Souper Salad Coupons 0 coupons | 0 coupons | Codes only | Shop now |
| Souplantation Coupons 0 coupons | 0 coupons | Codes only | Shop now |
| SoupsOnline Coupons 2 coupons | 2 coupons | Codes only | Shop now |
| South Bay Board Co. Coupons 1 coupon | 1 coupon | 2.5% Donation | Shop now |