- Secretarybird
- Senegal Lapwing
- Shelley's Francolin
- Siberian Sand Plover
- Snowy Owl
- Sooty Falcon
- Sooty Gull
- Southern Black Tit
- Southern Carmine Bee-eater
- Southern Fiscal
- Southern Grey-headed Sparrow
- Southern Ground Hornbill
- Southern Masked Weaver
- Southern Red-billed Hornbill
- Southern Red Bishop
- Southern Yellow-billed Hornbill
- Speckled Mousebird
- Spotted Crake
- Spotted Flycatcher
- Squacco Heron
- Stierling's Wren-Warbler
- Striated Heron
- Striolated Bunting
- Swainson's Spurfowl