- Sacred Kingfisher
- Saddle-billed Stork
- Scaly-breasted Munia
- Scarlet Ibis
- Secretarybird
- Senegal Lapwing
- Senegal Thick-knee
- Shoebill
- Silver Gull
- Silvereye
- Slender-billed Weaver
- Song Thrush
- Sooty Chat
- Sooty Oystercatcher
- South Island Oystercatcher
- South Melanesian Cuckooshrike
- Southern Black Flycatcher
- Southern Cassowary
- Speckled Mousebird
- Splendid Starling
- Spotted Dove
- Spotted Flycatcher
- Spotted Thick-knee
- Spur-winged Lapwing
- Squacco Heron
- Steppe Eagle
- Streaky Seedeater
- Striated Heron
- Striated Starling
- Striped Kingfisher
- Sulphur-crested Cockatoo
- Superb Fairywren
- Superb Lyrebird
- Superb Parrot
- Superb Starling
- Swamp Flycatcher
- Swamp Harrier