- Sabota Lark
- Saddle-billed Stork
- Saffron Finch
- Sanderling
- Savanna Hawk
- Sayaca Tanager
- Scaled Dove
- Scaled Pigeon
- Scaly-feathered Weaver
- Scaly-headed Parrot
- Scarlet-bellied Mountain Tanager
- Scarlet-chested Sunbird
- Scarlet-headed Blackbird
- Secretarybird
- Senegal Coucal
- Senegal Lapwing
- Seven-colored Tanager
- Seychelles Black Parrot
- Seychelles Blue Pigeon
- Seychelles Bulbul
- Seychelles Fody
- Seychelles Magpie-Robin
- Seychelles Paradise Flycatcher
- Seychelles Sunbird
- Seychelles Warbler
- Shaft-tailed Whydah
- Sharp-tailed Grass Tyrant
- Shikra
- Silver Teal
- Silvery Grebe
- Slate-throated Whitestart
- Slaty Egret
- Smooth-billed Ani
- Snail Kite
- Sociable Weaver
- Social Flycatcher
- Sombre Greenbul
- South African Shelduck
- Southern Bald Ibis
- Southern Black Flycatcher
- Southern Black Tit
- Southern Boubou
- Southern Brown-throated Weaver
- Southern Carmine Bee-eater
- Southern Crested Guineafowl
- Southern Double-collared Sunbird
- Southern Fiscal
- Southern Grey-headed Sparrow
- Southern Ground Hornbill
- Southern Lapwing
- Southern Masked Weaver
- Southern Pied Babbler
- Southern Red-billed Hornbill
- Southern Red Bishop
- Southern Screamer
- Southern White-crowned Shrike
- Southern Yellow-billed Hornbill
- Southern Yellow White-eye
- Southern Yellowthroat
- Sparkling Violetear
- Speckled Hummingbird
- Speckled Mousebird
- Speckled Pigeon
- Spectacled Weaver
- Spectacled Whitestart
- Spike-heeled Lark
- Spot-billed Ground Tyrant
- Spot-flanked Gallinule
- Spotted Eagle-Owl
- Spotted Flycatcher
- Spotted Thick-knee
- Spur-winged Goose
- Squacco Heron
- Square-tailed Nightjar
- Squirrel Cuckoo
- Streaked Flycatcher
- Streaked Tuftedcheek
- Streaky-headed Seedeater
- Striated Heron
- Stripe-crowned Spinetail
- Striped Kingfisher
- Sunbittern
- Swainson's Spurfowl
- Swallow-tailed Bee-eater
- Swallow-tailed Hummingbird
- Swamp Boubou