- Sabota Lark
- Saddle-billed Stork
- Sanderling
- Sandwich Tern
- Sardinian Warbler
- Scaly-feathered Weaver
- Scarlet-chested Sunbird
- Secretarybird
- Shaft-tailed Whydah
- Shelley's Francolin
- Shikra
- Short-eared Owl
- Silver Teal
- Slender-billed Gull
- Sociable Weaver
- South African Shelduck
- Southern Boubou
- Southern Crested Guineafowl
- Southern Double-collared Sunbird
- Southern Fiscal
- Southern Grey-headed Sparrow
- Southern Ground Hornbill
- Southern Masked Weaver
- Southern Pied Babbler
- Southern Red-billed Hornbill
- Southern White-crowned Shrike
- Southern White-faced Owl
- Southern Yellow-billed Hornbill
- Spectacled Weaver
- Spotted Redshank
- Spotted Thick-knee
- Spur-winged Goose
- Squacco Heron
- Striated Heron
- Swainson's Spurfowl
- Swallow-tailed Bee-eater