- Sabota Lark
- Saddle-billed Stork
- Secretarybird
- Short-toed Rock Thrush
- Sociable Weaver
- Southern Bald Ibis
- Southern Black Flycatcher
- Southern Black Korhaan
- Southern Black Tit
- Southern Fiscal
- Southern Grey-headed Sparrow
- Southern Ground Hornbill
- Southern Pied Babbler
- Southern Red-billed Hornbill
- Southern Red Bishop
- Southern White-crowned Shrike
- Southern Yellow-billed Hornbill
- Speckled Mousebird
- Speckled Pigeon
- Spike-heeled Lark
- Spotted Eagle-Owl
- Spotted Thick-knee
- Spur-winged Goose
- Stark's Lark
- Striated Heron
- Swainson's Spurfowl
- Swallow-tailed Bee-eater